Amiruddin WP, Muharam H, Hannan S. Paid Social Media Advertising and Digital Marketing Content Quality as Determinants of Ecourse Purchase Decisions Mediated by Customer Trust. ECBIS [Internet]. 2026 Jun. 24 [cited 2026 Jun. 24];4(5):2309-26. Available from: https://ecbis.net/index.php/go/article/view/452