López Armenta, J. 2020. Proposal for educational intervention: Pedagogical content knowledge for the teaching of History in the “Dr. Gustavo Baz Prada” Elementary School . Anuario Mexicano de Historia de la Educación. 2, 1 (Nov. 2020), 23–32. DOI:https://doi.org/10.29351/amhe.v2i1.285.