The case study from this study found findings that showed that the Access by KAI application in October 2024 received a rating of 2.5/5.0, this value is the lowest rating of other train ticket booking applications such as Traveloka and tiket.com which received a rating of 4.8/5.0 on the play store application store, therefore the researcher wants to know "how customer satisfaction is using the Access by KAI application". The researcher wants to conduct research on this problem, by developing an empirical method to explain the variables that affect customer satisfaction by using data obtained from the play store app store and distributing questionnaires to the general public randomly. The test was carried out using the Statistical Product and Service Solutions (SPSS) approach. The test results found that the quality of service was proven to be significant and positive to customer satisfaction, customer assessments were not proven to have a significant effect and negative on customer satisfaction, promotions were not proven to be significant and negative to customer satisfaction.

This study aims to test and determine the effect of work environment, work motivation, and work discipline on the performance of MSMEs in Demak Regency. This study uses a quantitative method. The population in this study, the author uses the population of MSME actors in Dempet District, Demak Regency in the culinary, fashion, automotive, and agribusiness sectors, totaling 282 MSMEs. Based on the sample calculation using the Slovin formula, it can be seen that the sample in this study is 165 MSMEs. The sampling technique used in this study is the probability sampling method, all elements (eg: people, households) in a population have an equal opportunity to be selected in the sample. The results of this study are that the work environment affects performance, work motivation affects performance, and work discipline affects the performance of MSMEs in Demak Regency.

Human Resources are the main calculation in achieving organizational goals strongly and efficiently. Organizations must be able to carry out supervision well to achieve ideal business implementation. Every organization generally expects achievements from its representatives because the organization is given the authority to make presentations. The aim of this research is to find out and analyze whether career development and discipline moderated by rewards have an effect on the performance of Informa Queen City Semarang employees. The method used is a quantitative method. The data collection techniques used were literature and questionnaires. The results of this research are that career development has no effect on the performance of Informa Queen City Semarang employees, discipline has a positive effect on the performance of Informa Queen City Semarang employees, career development and discipline simultaneously influence employee performance through rewards.

<p><em>A small industry has a strategic role in driving the economy. One of the potential small industries to be developed is the tempe industry. This study aims to analyze the benefits and feasibility tempe crafts manufacturer in Lamper Tengah Village, Semarang Selatan District which is the largest tempe industry area in Semarang City so that the results of the analysis can be taken into consideration to further develop their business.</em></p><p><em>This research design uses quantitative methods. This research is a case study so business owners making tempeh in Semarang City is used as a source to obtain information needed in research. The data used are primary and secondary. Data collection techniques carried out by interview, observation, and recording. Data obtained analyzed using profit analysis  <em>Ï€ = TR-TC  </em>and to find out business feasibility using the formula  <em>R / C  </em>Ratio.</em></p><p><em>The results of this study indicate that the average total cost incurred by tempe producers in Lamper </em><em>Tengah Village</em><em> per month is Rp 16,916,210.70. The average amount of tempe produced was 18,108 packs with an average price of Rp. 2,500, so that the average monthly income earned by tempe craftsmen is Rp 45,270,556 and the average profit gained is Rp 28,354,355. The business of making soybean tempe has an efficiency value of 2.68, meaning that every one rupiah the costs incurred will get an income of 2.68 times the cost incurred, then the tempe industry business in </em><em>Lamper Tengah</em><em> </em><em>Village </em><em>is feasible to continue and can even be invested in industrial development the tempe.</em><em></em></p><p><strong><em>Keywords</em></strong><em>:</em> <em>Profit, Business Feasibility, Tempe Crafts</em><em> Man</em><em>ufacturer</em><em></em></p>