THE EFFECT OF THE PREDICT OBSERVE EXPLAIN (POE) LEARNING MODEL ON FACE-TO-FACE LEARNING (F2F) ON THE UNDERSTANDING OF SCIENCE CONCEPTS: IN THE FOURTH GRADE OF ELEMENTARY SCHOOL STUDENTS. SPEKTRA [Internet]. 2026 Jul. 13 [cited 2026 Jul. 21];9(2):178-8. Available from: https://ojs.unsiq.ac.id/index.php/spektra/article/view/12188