Nisa Indah Pratiw Pengarang

In this research the sample collection employed purposive sampling. It is a sample collection technique with certain criteria. In addtition, this research also engaged 30 samples of 120 customers of PT. Posmi Steel Indonesia. Meanwhile, the data collection used questionnaire. Moreover, the instrument tests were applied in this study, namely validity and reliability test, normality test, multicollinearity test. Heteroscesdasticity test, significance partial T-Test, and significance simultaneous F-Test, as well as determination coefficient test with SPSS 20.