P. Cadena Iñiguez, R. Rendón-Medel, J. Aguilar-Ávila, E. Salinas- Cruz, F. del R. De la Cruz-Morales, and D. M. Sangerman- Jarquín, “Quantitative methods, qualitative methods or combination of research: an approach in the social sciences”, Remexca, vol. 8, no. 7, pp. 1603–1617, Nov. 2017, doi: 10.29312/remexca.v8i7.515.