Kusumayanti, Diah, Giovanno Christie G. B., and Mumuh Mulyana. “Pengaruh Promosi Penjualan Dan Kualitas Layanan Terhadap Loyalitas Konsumen Fanatic Coffee Bogor”. Jurnal Ilmiah Manajemen Kesatuan 9, no. 3 (September 29, 2023): 683–692. Accessed June 23, 2026. https://jurnal.ibik.ac.id/index.php/jimkes/article/view/2063.