KARTAL TASOĞLU, A.; BAKAÇ, M. The Effect of Problem Based Learning Approach on Conceptual Understanding in Teaching of Magnetism Topics. International Journal of Physics & Chemistry Education, [S. l.], v. 6, n. 2, p. 110–122, 2014. Disponível em: https://www.ijpce.org/index.php/IJPCE/article/view/60. Acesso em: 22 may. 2022.