Alfisyah A, Muna K. Implementation of the Problem Posing Model to Improve Learning Outcomes of Grade 5 Students on the Human Digestive System Material. PIJED [Internet]. 2024 Dec. 4 [cited 2026 Jun. 17];3(2):531-4. Available from: https://ejournal.ppsdp.org/pijed/article/view/352