Widjaya, Ady, and Amir Indrabudiman Padmoprayitno. “The Effect of Promotion Mix, Price, and Service Quality on Study Decisions”. Annals of Management and Organization Research 3, no. 3 (February 10, 2023): 221–230. Accessed March 30, 2026. https://goodwoodpub.com/index.php/amor/article/view/1350.