IMPLEMENTATION OF A GI TYPE COOPERATIVE LEARNING MODEL ASSISTED WITH SPACE 4D+ AR PLAYING CARD TO IMPROVE COGNITIVE LEARNING OUTCOMES OF PEKANBARU NEGERI 4 SMP STUDENTS ON EARTH AND SOLAR SYSTEM MATERIALS. SPEKTRA [Internet]. 2025 Apr. 30 [cited 2025 Nov. 27];11(1):40-8. Available from: https://ojs.unsiq.ac.id/index.php/spektra/article/view/8878