H. Villarreal Torres, J. Ángeles Morales, W. J. Marín Rodriguez, D. Andrade Girón, and E. Carreño Cisneros, “Payment behavior model for students at a private university in Peru”, Salud, Ciencia y Tecnología - Serie de Conferencias, vol. 2, p. 217, May 2023, doi: 10.56294/sctconf2023217.