Puertas-Aguilar, M.- Ángel ., J. Álvarez-Otero, and M.-L. de Lázaro-Torres. “Promoting Transdisciplinarity and Competency-Based Learning Using Web GIS in the Spanish Secondary School Classroom”. European Journal of Geography, vol. 16, no. 2, Oct. 2025, pp. 335-48, doi:10.48088/ejg.m.pue.16.2.335.348.