Ruiz Hidalgo, David, and Delfín Ortega-Sánchez. “Project Based Learning: A Systematic Literature Review (2015-2022)”. HUMAN REVIEW. International Humanities Review / Revista Internacional de Humanidades 14, no. 6 (December 20, 2022): 1–14. Accessed May 5, 2024. https://journals.eagora.org/revHUMAN/article/view/4181.