Rahma, S., A. Indra, and Y. Zelibu. “The Influence of Digital Marketing, Product Quality, and Price on Purchase Decisions at Arjuna Coffee by Perlabian”. Indonesian Interdisciplinary Journal of Sharia Economics (IIJSE), Vol. 9, no. 2, July 2026, pp. 16756-68, https://e-journal.uac.ac.id/index.php/iijse/article/view/10171.