R. F. Suryawan, K. Kamsariaty, E. P. Perwitasari, E. Maulina, A. Maghfuriyah, and T. Susilowati, “Digital Strategy Model in Strengthening Brand Image to Maintain Customer Loyalty (Case Study on Umrah and Hajj Travel Agency)”, EAJMR, vol. 2, no. 12, pp. 5045–5056, Jan. 2024.