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. Jurnal Merah Putih Sekolah Dasar, The Indonesian Journal of Primary School Education 2024, 2 (1), 11-21. https://doi.org/10.24114/jmpsd.v2i1.60217.