Syopiani Oktavia, Syachruroji, Nana Hendracipta. DEVELOPING WOPIPOPU (WORDLESS PICTURE POP-UP) BOOK MEDIA ON SCIENTIFIC LEARNING AT GRADE 4 ELEMENTARY SCHOOL. JPFKIP [Internet]. 2021 Jun. 27 [cited 2026 Oct. 6];10(3):669-7. Available from: https://primary.ejournal.unri.ac.id/index.php/JPFKIP/article/view/833