Vergara CR, Balquedra AB. Pedagogical Competence and Challenges of Pre-Service Mathematics Teachers During Teaching Internship: An Explanatory Sequential Mixed-Methods Study. IJLTER [Internet]. 2026 Jul. 30 [cited 2026 Oct. 14];25(7):136-60. Available from: http://ijlter.net/index.php/ijlter/article/view/2946