Marzábal, Ainoa, Patricia Moreira, Virginia Delgado, Jeanette Moreno, and Raúl Contreras. “Towards the Integration of Disciplinary and Pedagogical Knowledge: Developing Pedagogical Content Knowledge in the Training of Pre-Service Chemistry Teachers”. Pedagogical Studies 42, no. 4 (September 3, 2018): 243–260. Accessed July 18, 2024. http://revistas.uach.cl/index.php/estped/article/view/3582.