Wisetsa, Anantama, Nova Eviana, and Rudhi Achmadi. “Effectiveness of Promotional Media Using EPIC Model (A Case Study in Al Qadri Umrah and Hajj Bureau in Jakarta)”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 56, no. 1 (February 27, 2021): 322–334. Accessed July 3, 2024. https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/12217.