2026. 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: Jurnal Kajian Pendidikan Sains. 9, 2 (Jul. 2026), 178–188. DOI:https://doi.org/10.32699/xkqznx61.