Dewi Gemilang, Liling Listyawati, Andry Herawati, and Sarwani. “The Effect Of E-Promotion And Product Innovation On The Purchase Decision Of Drip Bag Coffee At TGC Coffee Surabaya”. International Journal of Economics, Business and Innovation Research 4, no. 04 (July 27, 2025): 1716-1730. Accessed November 4, 2026. https://e-journal.citakonsultindo.or.id/index.php/IJEBIR/article/view/2150.