1.
Caycedo L, Rosas SM. The value of environmental actions and evidence about them in an educational contexts. Rev. Investig. UNAD [Internet]. 2011 Oct. 16 [cited 2024 Dec. 30];10(2):69-78. Available from: https://hemeroteca.unad.edu.co/index.php/revista-de-investigaciones-unad/article/view/754