The development of the era is also marked by the development of technology. Technological developments are inseparable from human life. Until now, almost all corporate organizations have taken advantage of the developments in internet technology. Utilization of internet technology is an innovation carried out by corporate organizations that can help to improve performance and also business processes in corporate organizations. At this time the business process activities carried out by corporate organizations are virtual or commonly referred to as E-Commerce. The use of e-commerce has now become a very high trend phenomenon. Currently e-commerce is needed to meet the needs of society in the digital era, e-commerce is used as a place to purchase products and even services. Technology Acceptance Model (TAM) is a model used to provide an offer to the acceptance of e-commerce usage and behavior for its users. In this study, a study will be conducted to measure how far e-commerce applications are accepted by the public. And the results show that all hypotheses are accepted, which means it shows that the e-commerce application has been accepted by the community. This is supported by the influence of the variable stimulant of 79.2%.

This article describes (1) the influence of a principal's leadership on teacher performance. (2) the effect of work discipline on teacher performance. (3) the simultaneous influence of the principal's leadership and work discipline on teachers' performance at SMP Daruttaqwa Gresik. The research method used is quantitative research. This study is a population study with 59 people—consisting of 1 principal, 12 teachers, 1 Administration (TU), and 46 students. The research instrument is a questionnaire. The results of this study are (1) there is an influence between the principal's leadership on teacher performance at SMP Daruttaqwa Gresik with t count 2,580 > t table 2.00 and has an effect of 10.5%. (2) there is an influence between work discipline on teacher performance at SMP Daruttaqwa Gresik with t count 7.924 > t table 2.00 and has an effect of 52.4%. (3) there is a simultaneous effect with F arithmetic 31.019 > F table 3.16. Simultaneously both of them also have an effect of 52.6% on teacher performance at SMP Daruttaqwa Gresik and have a correlation coefficient of 0.725, which is the quality of a strong relationship.

Cooperative as a savings and loan business with legal status, has capacity in lending to members who voluntarily merged into membership and perform their duties as members of the cooperative. Loan disbursement in this case as a cooperative loan fund is a program expected by its members. But the main problem of the program, namely the occurrence of bad debts, namely obstacles encountered in credit repayment, or payment of installments by members. To avoid the occurrence of missteps in lending, decisionmakers are expected to use a decision support system capable of counting members applying for loan funds. These alternative calculations will evaluate the criteria that benefit the members in addition to analyzing the less favorable criteria. For that reason, the application of Complex Proportional Assessment (COPRAS) method is very appropriate in selecting fund of cooperative loan recipient.