Functional Groups Detection: Do Chemistry Teachers Demonstrate Conceptual Difficulties in Teaching?. Global Journal of Human-Social Science, [S. l.], v. 21, n. G7, p. 47–60, 2021. DOI: 10.34257/GJHSSGVOL21IS7PG47. Disponível em: https://socialscienceresearch.org/index.php/GJHSS/article/view/3661. Acesso em: 16 feb. 2026.