<![CDATA[The purpose of this study are: To analyze the effect of Just In Time Purchases on quality performance. To analyze the effect of Just In Time Delivery on quality performance. To analyze the effect of Just In Time Environment on quality performance. The location in the study used was PT. Bahana Buanabox Jalan Raya Semarang - Demak km. 16 Batu Village, Karang Tengah Subdistrict, Demak Regency - 59561. The population is PT. Bahana Buanabox. Sampling is done with saturated samples. Types and sources of data are obtained from primary data sources and secondary data sources. Data was collected by making a questionnaire regarding Just In Time Purchases, Just In Time Delivery and Just In Time Environments. Data from this study were analyzed by t test technique, F test and multiple linearregression. The results of the analysis show that: (1) Just In Time Purchases have a positive and significant effect on quality performance at PT. Bahana Buanabox. (2) Just In Time Delivery has a positive and significant effect on quality performance at PT. Bahana Buanabox. (3) Just In Time Environment has a negative and significant effect on quality performance at PT. Bahana Buanabox. Results of the F Test shows that together the variables Just In Time Purchase, Just In Time Delivery and Just In Time Environment have significant variables. R2 test results (coefficient of determination) note that the same variable Just In Time Purchase, Just In Time Delivery and Just In Time Environment is able to explain 36.0% while the rest is influenced by other variables such as: Just In Time Production with layout improvement indicators factory, reduction in setup time, integrated qualitycontrol,flexibleworkforce.Keywords: Just In Time Purchases, Just In Delivery Time, Just In Time Environment, Quality Performance.]]>
