sianipar, fransesco. 2025. “PENGARUH SOCIAL MEDIA MARKETING, PERSEPSI HARGA DAN KUALITAS PELAYANAN TERHADAP MINAT BELI PADA COFFEE FORE DI ISKANDAR MUDA MEDAN”. Journal Business and Management 3 (1). https://ejournal.uhn.ac.id/index.php/business_management/article/view/2784.