ISMAIL, S. .; OKTADELA, R. . Development of Problem based Learning on Student Character in Agriculture. Central Asian Journal of Theoretical and Applied Science, [S. l.], v. 2, n. 11, p. 162–167, 2021. Disponível em: https://cajotas.casjournal.org/index.php/CAJOTAS/article/view/287. Acesso em: 11 feb. 2026.