Hamsinah, Hamsinah. “Analysis of the Effect of Brand Image, Service Quality and Purchase Interest on Purchase Decisions: (Study on S26 Procal and Promise Gold Powdered Milk Consumers on Hypermarket Channels in Jakarta Distribution Area)”. Jurnal Ekonomi dan Bisnis 1, no. 2 (Juli 26, 2021): 80–87. Diakses Juli 8, 2025. http://www.e-jurnal.stiebii.ac.id/index.php/ekonomibisnis/article/view/38.