OLIEMAT, A. .; AL-MASHAQBA, S.; AL-MASHAQBA, F. . Analysis of Science Books for Fourth Graders in Jordan based on Next Generation Science Standards (NGSS). Dirasat: Educational Sciences, [S. l.], v. 48, n. 1, p. 251–265, 2021. Disponível em: https://dsr.ju.edu.jo/djournals/index.php/Edu/article/view/2593. Acesso em: 23 dec. 2025.