1.
Tipung Uvat R, Tanah Boleng D, Vera Tineke Lumowa S. THE INFLUENCE OF PROBLEM-BASED LEARNING AND GROUP INVESTIGATION LEARNING MODEL ON CRITICAL THINKING SKILLS AND STUDENTS’ LEARNING MOTIVATION. IJER [Internet]. 2021Dec.1 [cited 2025May13];8(2):12-1. Available from: http://103.8.12.212:33180/unj/index.php/ijer/article/view/26996