Sunarsih S. OPTIMIZATION OF STUDENTS’ ACADEMIC ACHIEVEMENT IN SIMPLE FRACTION MATERIAL USING MANIPULATIVE MEDIA IN THIRD-GRADES SOMBRON SDN. Renjana.Pen.Das [Internet]. 2024 Feb. 29 [cited 2024 May 18];4(1):70-5. Available from: https://prospek.unram.ac.id/index.php/renjana/article/view/1063