PRATIWI, N. W. A.; MANUABA, I. B. S. The Effectiveness Of A Concrete Media Assisted Project Based Learning Model on Students ’Science Competency. Journal of Education Technology, [S. l.], v. 4, n. 4, p. 465–470, 2021. DOI: 10.23887/jet.v4i4.27112. Disponível em: https://ejournal.undiksha.ac.id/index.php/JET/article/view/27112. Acesso em: 6 may. 2024.