P. C. Otero Bocanegra, S. D. Condeso Camizan, G. V. Villanueva Butrón, and F. W. Castillo Palacios, “Assertive communication in higher education: A systematic literature review (2015–2025)”, Revista InveCom, vol. 6, no. 2, pp. 1–8, Sept. 2025, doi: 10.5281/zenodo.17051047.