Pratama, Agung Jhoniko, and Muhamad Emil Rachman. “Analisis Marketing Mix Terhadap Target Penjualan Kafe DR. Koffie”. Jurnal EMT KITA 7, no. 4 (October 20, 2023): 1258–1265. Accessed May 20, 2024. http://www.journal.lembagakita.org/index.php/emt/article/view/1640.