Mumtaza Firyal Maliha, D. and Roro Ratna Roostika, R. 2026. The Influence of Viral Marketing and Celebrity Endorsers on Purchase Decisions for Bittersweet by Najla Products through E-Commerce Platforms. COMMICAST. 7, 2 (Sep. 2026), 380–391. DOI:https://doi.org/10.12928/commicast.v7i2.16807.