Kalifatullah Ermaya, Sir. “Analisis Bauran Pemasaran Pada UMKM Kuliner”. Coopetition : Jurnal Ilmiah Manajemen 13, no. 3 (October 31, 2022): 435–448. Accessed July 22, 2024. https://journal.ikopin.ac.id/index.php/coopetition/article/view/2498.