ESPINOSA FERNÁNDEZ, A. .; CASTILLO EDUA, B. R. . SYSTEM OF ACTIVITIES FOR THE LEARNING OF ORGANIC CHEMISTRY. Atenas, Matanzas, CU, v. 3, n. 23, p. 42–55, 2013. Disponível em: https://monografias.umcc.cu/index.php/atenas/article/view/581. Acesso em: 3 jul. 2024.