J. Ortiz Berrio, M. E. Galeano-Marín, M. I. Zuluaga, V. M. Vélez Escobar, L. M. Hoyos López, and A. M. Lopera, “Teaching-Research-Extension: Methodological and Ethical Lessons Learned with Caregivers of the Elderly in Colombia”, Cienc. soc. educ., vol. 11, no. 22, pp. 120–141, Dec. 2022, doi: 10.22395/csye.v11n22a6.