ALKHAYRAT, Afrah Mansour Hamoud. The extent to which the principles of the constructivist theory were included in Chemistry 1 curriculum for the first-grade secondary in Saudi Arabia. Journal of Curriculum and Teaching Methodology, New Mexico, United States, v. 1, n. 12, p. 18–36, 2022. DOI: 10.26389/AJSRP.F250422. Disponível em: https://www.ajsrp.ojsexpert.com/index.php/jctm/article/view/5709. Acesso em: 19 dec. 2025.