Malik, Amalia, Helda Jaya Puspita, and Akbar Maulana Firmansyah. “THE INFLUENCE OF THE 7P MARKETING MIX ON THE SUSTAINABILITY OF THE ISTANA KUNING COFFEE FESTIVAL IN PANGKALANBUN CITY”. GEMAH RIPAH: Jurnal Bisnis 5, no. 03 (September 1, 2025): 320–328. Accessed September 8, 2025. https://www.aksiologi.org/index.php/gemahripah/article/view/2385.