AKCAY, A.; OKUR AKÇAY, N. Comparison of conceptual knowledge levels of students who took and did not take preschool education: Example of earth, sun, and moon. Southeast Asia Early Childhood Journal, [S. l.], v. 9, n. 2, p. 58–72, 2020. DOI: 10.37134/saecj.vol9.no2.4.2020. Disponível em: https://ojs.upsi.edu.my/index.php/SAECJ/article/view/3559. Acesso em: 28 feb. 2024.