PERMANA, E. P.; SARI, Y. E. P. Development of Pop Up Book Media Material Distinguishing Characteristics of Healthy and Unfit Environments Class III Students Elementary School. International Journal of Elementary Education, [S. l.], v. 2, n. 1, 2018. DOI: 10.23887/ijee.v1i1.13127. Disponível em: https://ejournal.undiksha.ac.id/index.php/IJEE/article/view/13127. Acesso em: 22 dec. 2024.