“PENGARUH HARGA, PROMOSI DAN MARKETPLACE TERHADAP KEPUTUSAN PEMBELIAN PT CALISPO MULTI UTAMA MEDAN”. JOURNAL OF SCIENCE AND SOCIAL RESEARCH 6, no. 2 (June 23, 2023): 381–387. Accessed July 14, 2026. https://jurnal.goretanpena.com/index.php/JSSR/article/view/1347.