[1]
Tipung Uvat , R., Tanah Boleng , D. and Vera Tineke Lumowa, S. 2021. THE INFLUENCE OF PROBLEM-BASED LEARNING AND GROUP INVESTIGATION LEARNING MODEL ON CRITICAL THINKING SKILLS AND STUDENTS’ LEARNING MOTIVATION. IJER - INDONESIAN JOURNAL OF EDUCATIONAL REVIEW. 8, 2 (Dec. 2021), 12-21.