Herdiana Br Sitompul, Saidun Hutasuhut, Muhammad Bukhori Dalimunthe. DEVELOPMENT AND EXPERT VALIDATION OF A PROBLEM-BASED LEARNING ACCOUNTING E-MODULE INTEGRATED WITH GAMIFICATION. MORFAI [Internet]. 2026 Feb. 28 [cited 2026 May 26];6(3):3806-23. Available from: https://radjapublika.com/index.php/MORFAI/article/view/5233