“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”. 2025. SPEKTRA: Jurnal Kajian Pendidikan Sains 11 (1): 40-48. https://doi.org/10.32699/spektra.v11i1.8878.