Navia Imbachí, C.H. and Tamayo Alzate, Óscar E. 2020. Mental models on the concept of environment for middle school indigenous students. Latinoamericana de Estudios Educativos. 16, 1 (Jan. 2020), 13–46. DOI:https://doi.org/10.17151/rlee.2020.16.1.2.