Barzola Jaya DW. Assessment of Pedagogical Content Knowledge in Audiovisual Education: Instruments, Methods, and Challenges in Ecuador, Colombia, and Chile. ERMJ [Internet]. 2024 Dec. 27 [cited 2026 Sep. 24];1(1):1-9. Available from: https://er.estrellaediciones.com/index.php/educational_regent/article/view/26