Hernández Martínez A, Martínez Urbanos I, Carrión Olivares S. El Colpbol como un medio para incrementar la motivación en Educación Primaria (The Colpbol as a means to increase motivation in Primary Education). Retos [Internet]. 2019 Jul. 1 [cited 2026 Jun. 10];36:348-53. Available from: https://www.revistaretos.org/index.php/retos/article/view/70396