“Pengaruh Marketing Mix Terhadap Volume Penjualan Perusahaan Swalayan Di Kabupaten Polewali Mandar”. Center of Economic Students Journal 4, no. 4 (October 31, 2021): 383–397. Accessed August 25, 2025. https://jurnal.fe.umi.ac.id/index.php/CSEJ/article/view/469.