Hidayat, Dayu Nur, Andri Restiandi, and I Made Sukresna. “Designing an Optimal Education and Training Model for Relationship Managers in the Digital Era”. Research Horizon 5, no. 1 (December 27, 2024): 79–94. Accessed April 21, 2026. https://journal.lifescifi.com/index.php/RH/article/view/450.