Amil Sellés, Yissel Pérez de Villa, and Luisvis Angarica García. “The Teaching Aids in the Biology-Chemistry Career”. Revista Minerva 1, no. 1 (December 20, 2020): 19–29. Accessed April 21, 2026. https://revistas.ug.edu.ec/index.php/minerva/article/view/890.