Qumairoh, Siti Nafisatul Azizatul, and Siti Nur Qomariyah. “PENGARUH PRODUK DAN HARGA TERHADAP LOYALITAS KONSUMEN MELALUI KEPUTUSAN PEMBELIAN KOPI DI KABUPATEN JOMBANG : Studi Kasus: Cafe Sunny”. Bussman Journal : Indonesian Journal of Business and Management 3, no. 2 (May 30, 2023): 535–549. Accessed February 4, 2026. https://gapenas-publisher.org/bussman/index.php/home/article/view/149.