A, Gavaldón G. On the return on investment in education: the need for an unbiased assessment. Cuestiones Económicas [Internet]. 2020Jun.24 [cited 2026Nov.14];30(1):Autor: Diego Azqueta y Guillermina Gavaldón. Available from: https://estudioseconomicos.bce.fin.ec/index.php/RevistaCE/article/view/95