Mulyadi E, Warnoto W. IMPROVING LEARNING MOTIVATION AND STUDENT PHYSICS LEARNING OUTCOMES THROUGH THE GROUP INVESTIGATION LEARNING MODEL. ideguru [Internet]. 2020Nov.2 [cited 2024Apr.19];5(2):39 -. Available from: https://jurnal-dikpora.jogjaprov.go.id/index.php/jurnalideguru/article/view/125