“LITERATURE REVIEW: THE EFFECT OF THE STAD-TYPE COOPERATIVE LEARNING MODEL ON STUDENTS’ LEARNING OUTCOMES IN THE MATERIAL ON THE MEANING OF THE UNITARY STATE OF THE REPUBLIC OF INDONESIA FOR FOURTH-GRADE ELEMENTARY SCHOOL STUDENTS”. 2024. Jurnal Merah Putih Sekolah Dasar 2 (1): 11-21. https://doi.org/10.24114/jmpsd.v2i1.60217.