2023. THE EFFECT OF PBL LEARNING MODEL ON THE FIFTH-GRADE STUDENTS’ MATH ARITHMETICAL SKILLS AT MIS PERDAMEAN SIGAMBAL. Primary: Jurnal Pendidikan Guru Sekolah Dasar. 12, 2 (Apr. 2023), 293–305. DOI:https://doi.org/10.33578/jpfkip.v12i2.9364.