FEDERICO DE LA COLINA FLORES; HERIBERTO RODRÍGUEZ FRAUSTO; PAUL ALEXIS DE LA COLINA GARCÍA; TZITZI DE LA COLINA GARCÍA. Activity Theory as a Paradigm and Research Program for Veterinary, Animal, and Health-Sciences Education. RA Journal of Applied Research, [S. l.], v. 12, n. 08, p. 447–458, 2026. DOI: 10.47191/rajar/v12i8.01. Disponível em: https://www.rajournals.in/index.php/rajar/article/view/2129. Acesso em: 24 oct. 2026.