Tulong, David R. P., William A. Areros, and Lucky F. Tamengkel. “Pengaruh Bauran Pemasaran Terhadap Keputusan Pembelian Minuman Kopi Verel Bakery & Coffee”. Productivity 3, no. 1 (January 15, 2022): 36–40. Accessed July 27, 2024. https://ejournal.unsrat.ac.id/v3/index.php/productivity/article/view/37987.