Tambunan, Y.A. and Perangin angin, L.M. 2023. PENGEMBANGAN BAHAN AJAR E-MODULE BERBASIS PROBLEM BASED LEARNING BERBANTUAN FLIP PROFESIONAL TEMAN 6 SUBTEMA 2 KELAS V SDS ADVENT 2 MEDAN. JURNAL HANDAYANI PGSD FIP UNIMED. 14, 2 (Dec. 2023), 63–69. DOI:https://doi.org/10.24114/jh.v14i2.46437.