Kuswanto, Kuswanto, Refnida Refnida, and Lulu Ratnadillah. “The Effect of Product Perception and Price Perception on Reference Book Purchase Decisions ”. Jurnal Pendidikan Ekonomi Dan Bisnis (JPEB) 9, no. 2 (October 29, 2021): 179–188. Accessed November 22, 2024. https://journal.unj.ac.id/unj/index.php/jpeb/article/view/23035.