Estrategias de Educacion Entretenimiento. Chasqui (Latin America’s Journal of Communication), 31: 9-22 —- Everett M. Rogers and Arvind Singhal (1989) —- http://utminers.utep.edu/asinghal/Articles%20and%20Chapters/JA%20Singhal%20Rogers%201989%20Estrategias%20de%20EE_RPDF.pdf