Pastrán Calles FR, Montilla A, Castillo Gutiérrez A. Didactic resources from constructivism for general geography teaching. Rev.REDINE [Internet]. 2018 Jun. 29 [cited 2026 Oct. 6];9(1):28-39. Available from: https://mail.revistas.uclave.org/index.php/redine/article/view/834