Díaz-Plasencia JA, Valencia-Mariñas HD, Díaz-Rodríguez VM. Effectiveness of a portfolio model on the performance of the virtual osce. revtechno [Internet]. 2023 Feb. 27 [cited 2024 Jul. 23];13(2):1-11. Available from: https://eaapublishing.org/journals/index.php/technorev/article/view/655