Vazquez Ayala, D., and J. Luna-Nemecio. “Sustainability As a Pending Subject: Reliability Assessment of an Observation Guide for Teaching Practice With a Socio-Formative Approach”. Runas. Journal of Education and Culture, vol. 2, no. 3, July 2021, p. e21043, doi:10.46652/runas.v2i3.43.