Pakpahan PA, Sugiharto S, R. Mursid RM. DEVELOPMENT OF INTERACTIVE LEARNING MEDIA BASED ON PROBLEM BASED LEARNING IN CLASS V THEMATIC LEARNING AT SD SWATA MARKUS MEDAN . SIJEL [Internet]. 2021Aug.13 [cited 2026Aug.3];1(3):721-680. Available from: https://www.sijel-journal.sensei-journal.com/jbo/article/view/48