Parga Lozano, Diana Lineth, and Diana Alba Martínez. “¿Are Stse Contents Contained in Chemistry Textbooks?”. Praxis & Saber 6, no. 11 (January 5, 2015): 15–42. Accessed July 17, 2024. https://revistas.uptc.edu.co/index.php/praxis_saber/article/view/3572.