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 2025, 11 (1), 40-48. https://doi.org/10.32699/spektra.v11i1.8878.