Quiñónez Barrezueta JE, Pozo Hurtado EO, Jácome Encalada SH, Reigosa Lara A. Problem-based learning for teaching process through the Chamilo platform. CD [Internet]. 2025Apr.5 [cited 2026Jul.6];9(2):111-27. Available from: https://doi.org/10.33262/cienciadigital.v9i2.3483