Rinandiyana LR, Badriatin T, Saepudin A. Viral Marketing Concept and Viral Marketing Development on Consumer Buying Approach. Almana [Internet]. 2022 Apr. 28 [cited 2025 Dec. 2];6(1):117-23. Available from: https://journalfeb.unla.ac.id/index.php/almana/article/view/1780