ERNAMASARI, N. D. Conceptual understanding and misconceptions of the human digestive system in elementary school: insights from a four-tier diagnostic test. International Journal of Mathematics and Sciences Education, [S. l.], v. 3, n. 2, p. 84–92, 2025. DOI: 10.59965/ijmsed.v3i2.274. Disponível em: https://nakiscience.com/index.php/IJMSEd/article/view/274. Acesso em: 2 feb. 2026.