Andriyanto, Lilik, et al. “ANALISIS PENGARUH BAURAN PEMASARAN (MARKETING MIX 7-P) TERHADAP KEPUTUSAN PEMBELIAN DI THIWUL AYU MBOK SUM”. Jurnal Dinamika Sosial Ekonomi, vol. 20, no. 1, Mar. 2020, pp. 26-38, https://jurnal.upnyk.ac.id/index.php/jdse/article/view/3248.