DEWI, N. L. S.; SUWEKEN, G.; SUDIARTA, I. G. P. Development of mathematics learning tools through scientific approach with problem based learning (PBL) settings to improve motivation and learning achievement. Jurnal Pendidikan dan Pengajaran, [S. l.], v. 52, n. 1, p. 33–39, 2019. DOI: 10.23887/jpp.v52i1.17247. Disponível em: https://ejournal.undiksha.ac.id/index.php/JPP/article/view/17247. Acesso em: 8 may. 2024.