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Grasellia L, Tarigan RA, Hutagalung R, Hutagalung R, Putri A, Budimanto A. THE IMPACT OF COLLABORATIVE LEARNING MANAGEMENT ON IMPROVING THE PROFESSIONAL COMPETENCE OF PRIMARY SCHOOL TEACHERS IN INDONESIA . Jurnal Merah Putih Sekolah Dasar, The Indonesian Journal of Primary School Education [Internet]. 2026 Jan. 11 [cited 2026 Jan. 19];3(3):113-21. Available from: https://jurnal.unimed.ac.id/2012/index.php/jmpsd/article/view/70997