Morgado, M., Rebelo, D., Bonito, J., Marques, L., Medina, J. and Andrade, A.S. de 2016. Geologic resources in the construction of religious monuments: an action-research with secondary students from Viseu. Indagatio Didactica. 8, 1 (Jul. 2016), 959-972. DOI:https://doi.org/10.34624/id.v8i1.3582.