Barreto Soares Diaz, L. O., N. Trisnawati, R. Ruwaida, and E. Mahanani. “Pengaruh Kualitas Produk, Promosi, Dan Penetapan Harga Terhadap Loyalitas Pelanggan Kopi Bubuk Organik CCT”. IKRAITH-EKONOMIKA, Vol. 9, no. 3, Nov. 2026, pp. 451-9, https://journals.upi-yai.ac.id/index.php/IKRAITH-EKONOMIKA/article/view/7922.