DESI, Desi. Improvement of Science Learning Outcomes With Problem Based Learning Method: Class Action Research Study. International Journal of Educational Dynamics, [S. l.], v. 1, n. 1, p. 169–174, 2019. DOI: 10.24036/ijeds.v1i1.50. Disponível em: http://ijeds.ppj.unp.ac.id/index.php/IJEDS/article/view/50. Acesso em: 21 apr. 2026.