Vindy Dbora, A., N. Astuti, and Y. Maharani. “ANALISIS PENGARUH BAURAN PEMASARAN, PERILAKU KONSUMEN DAN KUALITAS PELAYANAN TERHADAP PERTUMBUHAN USAHA DI MASA PANDEMI COVID-19 (Studi Kasus Pada Kong Djie Coffee)”. Journal of Progressive Management Business, vol. 9, no. 2, Nov. 2022, pp. 27-36, https://e-jurnal.stie-ibek.ac.id/index.php/JIPMB/article/view/166.