(1)
Amir Mahmud Hasibuan; Noven Christoper Butarbutar; Niko Alriadi Sinaga. CHALLENGES OF ELEMENTARY SCHOOL STUDENTS IN UNDERSTANDING ADDITION SENTENCES AND TEACHER STRATEGIES: A LITERATURE REVIEW. Jurnal Merah Putih Sekolah Dasar, The Indonesian Journal of Primary School Education 2025, 2, 228-236.