Industri konstruksi dengan jumlah pekerja yang relatif banyak menyebabkan munculnya tantangan keamanan, kesejahteraan dan produktivitas pekerja. Penyelesaian terkait produktivitas pekerja tentu membutuhkan beberapa faktor yang turut mendukungnya seperti stres kerja, lingkungan kerja dan masa kerja. Oleh karena itu penelitian deskriptif ini akan menggambarkan masalah untuk mengembangkan produktivitas melalui pengamatan stres, lingkungan kerja, dan masa kerja. Studi dilakukan di salah satu perusahaan konstruksi berpusat di Jakarta dan tertuju pada salah satu proyek pengerjaan di Kota Malang. Ada 214 pekerja dijadikan responden. Pengumpulan data menggunakan angket. Hipotesis diuji setelah melakukan analisis regresi. Hasil penelitian menunjukkan terdapat pengaruh yang positif dan signifikan dari stres terhadap produktivitas pekerja konstruksi. Terdapat pengaruh yang positif dan signifikan dari lingkungan kerja terhadap produktivitas pekerja konstruksi. Terdapat pengaruh yang positif dan signifikan dari masa kerja terhadap produktivitas pekerja konstruksi. Terdapat pengaruh yang positif dan signifikan dari stres, lingkungan kerja dan masa kerja kerja terhadap produktivitas pekerja konstruksi.

. An appropriate marketing strategy is definitely needed by companies from small to large scale, there are no companies engaged in the property sector. This is because currently there are many similar property businesses with their respective attractiveness and advantages in the minds of the people. This study focuses on factors such as price, location and promotion. The method in this study is descriptive associative, namely analyzing the data by describing the data and knowing the relationship between variables. The research location is in Sidoarjo Regency. Samples were taken by accidential technique. There are 100 respondents involved in this study. Regression analysis for analysis uses SPSS version 26. This study proves that purchasing behavior is significantly affected by price partially. Location has a significant role in buying behavior. The role of promotion can significantly influence buying behavior. Likewise, buying behavior is influenced by price, location and promotion simultaneously.

The need for space to carry out human activities is increasing day by day. One of them is for teaching and learning activities that require better classrooms. With the growth in the number of students, the need for classrooms cannot be avoided. Classroom construction is a form of labor-intensive construction work. To start construction activities, start by budgeting construction costs. Cost budgeting is required so that the contractor can provide information to the client regarding the required costs. This study aims to determine the budget for building classrooms. The study used the BOW method. The BOW method is considered sufficient because it makes the building labor intensive. The research was conducted on an area of ​​5 x 7 meters. The results showed that to build a classroom on vacant land, Rp. 74.567.534. Contractors strengthen foundation work such as concrete work, wall work, and floor work. These three jobs use higher construction costs.

Retail business is a form of business that is increasingly popular among the public. Traditional retail business began to develop into a retail business that is processed with a more modern system. One of the retail businesses in Indonesia is Lotte Mart. Retail business in Indonesia continues to grow so that market competition emerges to increase customer loyalty. This study was conducted to determine the effect of lifestyle, physical environment, and price perception on customer loyalty. The population determined in this study are Lotte Mart customers who are in Surabaya City and Sidoarjo Regency. Researchers get 100 respondents obtained by purposive sampling technique. The data obtained through the questionnaire responses will be analyzed using multiple linear regression. The results of the study show that lifestyle has an influence on the formation of customer loyalty. In addition, customer loyalty is also influenced by the physical environment. Price perception has been shown to have a significant effect on customer loyalty.