Home / Archives / Vol. 15 No. 2 (2022): July-December 2022 Vol. 15 No. 2 (2022): July-December 2022 Published: 2022-07-01 Articles Simple interest is not so simple Arturo Lorenzo Valdés (Author) PDF (Spanish) Study some examples of Problem-based Learning applied to Mathematics in the Engineering Bachelor Juan José Reyes Salgado (Author) PDF (Spanish) The impossibility of total freedom Damián Emilio Gibaja Romero (Author) PDF (Spanish)