Lasmaria Agnes Sinaga 2025. Pengembangan Multimedia Interaktif Berbasis Problem Based Learning Pada Topik Aku dan Kebutuhanku Kelas IV SD Budi Murni 1 Medan. Teaching and Learning Journal of Mandalika (Teacher) e- ISSN 2721-9666. 6, 1 (Feb. 2025), 155-158. DOI:https://doi.org/10.36312/teacher.v6i1.4431.