Chinchilla Picado M, Barrientos Z, Calderón K. The environmental education workshop as a teaching strategy for sustainability of natural resources in rural Costa Rican elementary schools. URJ [Internet]. 2016 Oct. 12 [cited 2024 Nov. 23];8(2):157-61. Available from: https://revistas.uned.ac.cr/index.php/cuadernos/article/view/1555