Kurnia Suwita, Siti Marliah, Syahilul Amri, Yusuf Muchtar, Wardhani Indah Sari. PENGARUH PROMOSI, HARGA, LOKASI, DAN KUALITAS PELAYANAN TERHADAP KEPUTUSAN PEMBELIAN KOPI SANGER GAYO DI KIOS ILHAM BERSAUDARA WILAYAH KEBAYORAN LAMA. jma [Internet]. 2026Mar.16 [cited 2026May7];4(2):156 - 172. Available from: https://jurnal.stiebi.ac.id/index.php/jma/article/view/562