Mumtaza Firyal Maliha, Denona, and Raden Roro Ratna Roostika. “The Influence of Viral Marketing and Celebrity Endorsers on Purchase Decisions for Bittersweet by Najla Products through E-Commerce Platforms”. COMMICAST 7, no. 2 (September 25, 2026): 380–391. Accessed October 10, 2026. http://journal2.uad.ac.id/index.php/commicast/article/view/16807.