Aulia Eka A, Avita D, Wahyudi. Geometry Pop-Up Book Learning Media in Increasing Understanding of the Concept of Building Space in Students. International j.of Elementary Education [Internet]. 2023 Dec. 28 [cited 2024 May 10];7(4):742-8. Available from: https://ejournal.undiksha.ac.id/index.php/IJEE/article/view/68714