KARTAMIHARJA, M. R.; SOPANDI, W. Educative Curriculum Material and Its Impact on the Teachers’ Instructional Performance and Learners’ Achievement. International Journal of Learning, Teaching and Educational Research, [S. l.], v. 19, n. 1, p. 206–230, 2020. Disponível em: http://www.ijlter.net/index.php/ijlter/article/view/503. Acesso em: 17 jun. 2026.