ANALYSIS OF COOPERATIVE LEARNING MATERIALS IN CIVICS EDUCATION AT THE UPT SPF SD NEGERI 106184 SEKIP. Jurnal Merah Putih Sekolah Dasar, The Indonesian Journal of Primary School Education [Internet]. 2024 Jul. 31 [cited 2026 Mar. 21];1(6):332-7. Available from: https://jurnal.unimed.ac.id/2012/index.php/jmpsd/article/view/62135