Mamarimbing, Mita, Johny Manaroinsong, and Jaqueline E. Tangkau. “THE INFLUENCE OF PROFIT MARGIN, NET PURCHASE, AND NET SALES ON VALUE ADDED TAX”. Jurnal Ekonomi, Kependidikan, Manajemen, dan Akuntansi 1, no. 4 (December 31, 2023): 172–181. Accessed April 17, 2026. http://jekma.feb-unima.com/index.php/jekma/article/view/65.