Desiliana, Isak Pasulu, and Ade Lisa Matasik. “Pengaruh Biaya Promosi Dan Distribusi Terhadap Perubahan Volume Penjualan Kopi Usaha Raka Mandiri”. Journal of Innovative and Creativity 5, no. 2 (August 20, 2025): 11489–11499. Accessed October 18, 2026. https://joecy.org/index.php/joecy/article/view/3181.