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The calculation of work volume and construction costs is a fundamental aspect of project management, as errors in the estimation process can directly affect the preparation of the project budget. Many projects still use conventional methods for estimation, which are based on 2D working drawings with the assistance of Microsoft Excel, as seen in the Sungai Raya Religious Court Building project. This method is considered prone to calculation errors and less efficient due to the considerable amount of time required. With the advancement of technology, Building Information Modeling (BIM) has emerged, enabling automatic and integrated calculation of work volumes and construction costs through a three-dimensional digital model. This study aims to examine the implementation of BIM in the Sungai Raya Religious Court Building project and to compare the results of work volume and construction cost calculations between the BIM method using Autodesk Revit and the conventional method based on the project’s Bill of Quantity (BoQ). The research method was conducted by modeling the structural elements of the building, including pile caps, tie beams, columns, beams, floor slabs, and reinforcements. The results of work volume and construction cost calculations obtained from Autodesk Revit were then compared with the project’s BoQ as the conventional method. Based on the analysis, an average difference of 6.3% in work volume and 5.6% in construction cost was found, with the Autodesk Revit calculations showing slightly lower values compared to the project’s BoQ.

HokBen, previously known as Hoka Hoka Bento, is a fast-food restaurant offering Japanese-style menus and has successfully built a strong brand in Indonesia since 1985. This study aims to analyze and explain the influence of service quality, taste, and price on customer satisfaction at the HokBen Atrium restaurant. This research uses a descriptive quantitative approach with purposive sampling technique, involving 100 respondents who are customers visiting and purchasing products at the HokBen Atrium restaurant. Data were collected using scale range analysis and path analysis, conducted with the help of Microsoft Excel and SPSS version 23. The results of the study indicate that service quality, taste, and price have a significant simultaneous impact on customer satisfaction. The coefficient of determination shows that these three variables account for 78.0% of the influence on customer satisfaction at the HokBen Atrium restaurant. The most dominant factor influencing customer satisfaction is taste, with the highest t-value of 5.279. This suggests that taste is the most important factor affecting customer satisfaction at the HokBen Atrium restaurant. This study provides valuable insights for the management of HokBen to further improve service quality, taste, and price adjustments to maintain and increase customer satisfaction levels.

Employee engagement is a crucial factor in improving individual performance and organizational success. Companies with a high level of employee engagement tend to create a positive, productive, and sustainable work environment. This study aims to analyze the impact of work environment, leadership style, and self-efficacy on employee engagement at PT Wisata Titiannusantara Pelangi (Al Malik Travel) West Jakarta. This research uses a quantitative approach with a survey method. The sampling technique used is non-probability sampling with a saturated sample method, involving 40 respondents out of the total population of 41 permanent employees. The research instrument is a Likert scale questionnaire, supported by observations and literature study. The data were analyzed using SPSS version 30 and Microsoft Excel 2006 with multiple linear regression analysis techniques. The results indicate that work environment and leadership style have no significant effect on employee engagement, while self-efficacy has a positive and significant impact on employee engagement. The coefficient of determination (R²) value of 0.876 shows that the variables of work environment, leadership style, and self-efficacy explain 87.6% of employee engagement, while the remaining is influenced by other factors outside this study. These findings emphasize the importance of enhancing employee self-efficacy as the main factor in strengthening engagement, and provide practical implications for companies to develop more effective, sustainable human resource management strategies, focusing on improving employee self-confidence and competence.

Archives, as information recorded in various media, including cassette tapes, hold significant historical, cultural, and commercial value. These materials are classified as audiovisual archives. Among them, cassette tapes containing national and international songs form part of the collection at the Museum Musik Indonesia, located in Malang, East Java, Indonesia. As a self-managed museum run by a community of music enthusiasts, the Museum Musik Indonesia provides public access to information about its song collections. Given the large number of cassette tapes preserved, an effective information arrangement system is essential. This study recommends the use of a geographical classification system to organize the collection. Archive data is entered into a database using Microsoft Excel, allowing for structured cataloging and easier retrieval. This research employs a qualitative method, involving interviews with several informants from the Museum Musik Indonesia. The findings indicate that applying a geographical classification system in organizing cassette tape archives significantly improves the museum’s management capabilities. This system facilitates the rediscovery of archived items, enhances organization, and supports accurate record-keeping. Furthermore, electronic storage of archive information reduces the risk of data loss and ensures long-term preservation. The implementation of this arrangement not only benefits internal management but also enhances the quality of service provided to museum visitors. By enabling quicker and more accurate access to the collection, the museum can offer a richer and more engaging visitor experience. This study demonstrates that systematic archival practices, even when implemented with accessible tools like Microsoft Excel, can yield substantial benefits in cultural heritage preservation. The approach can serve as a reference for other small-scale or community-based museums seeking efficient, low-cost methods for managing and safeguarding their archival assets.

The application of student data management training aims to provide participants with understanding and skills in using Microsoft Excel for student data management. Management of student data is often needed in data management, such as making student report cards every semester at school. The Microsoft Excel application allows for personal and efficient management, by combining data from separate sources into one excel. During the training, participants will be taught the introductory concept of Microsoft Excel, the steps for preparing data, creating value columns in Excel, and merging data into templates. This training will also discuss the benefits of using Microsoft Excel, including time efficiency and accuracy in managing student data to be processed. Through a combination of theory and practical exercises, participants expected to be able to master the steps in the process of managing student data which will be explained using Microsoft Excel. It is hoped that the results of this training will give participants the ability to create personal and efficient student value data, including education and other organizations. Thus, this training contributes to increasing the effectiveness of communication in various activities that involve the process of managing student value data.