Alava, José Bernardo Cobeña, Liseth Estefania Aguirre Vera, Verónica Flores Tipán, and Gissella Valentina Loor Pinargote. “Problem-Based Learning As a Methodological Strategy in the Teaching-Learning Process”. International journal of social sciences and humanities 5, no. 3 (December 6, 2021): 232–242. Accessed July 17, 2024. https://sciencescholar.us/journal/index.php/ijssh/article/view/2028.