Vélez Ulloa JR, Mejía Caguana DR. Systematization of good tutoring practices in community Engagement for training future Chemistry and Biology teachers. RCN [Internet]. 2026 Aug. 4 [cited 2026 Aug. 5];2(4):69-92. Available from: https://www.revistacientificanexus.com/index.php/nexus/article/view/87