“Pengaruh Bauran Pemasaran Terhadap Keputusan Pembelian Q Chessecake & Whatever”, Product., vol. 4, no. 1, pp. 36–41, Jan. 2023, Accessed: Sep. 27, 2026. [Online]. Available: https://ejournal.unsrat.ac.id/v3/index.php/productivity/article/view/46078