Referencias.
Bartolomé Pina, A.( 2014). Recursos Tecnológicos para el Aprendizaje.( 1st ed., p. 524). San José, Costa Rica: EUNED.
Redirect Notice.( 2017). Google. com. Retrieved 30 January 2017, from https:// www. google. com / url? sa = i & rct = j & q =& esrc = s & source = images & cd =& cad = rja & uact = 8 & ved = 0ahUKEwjylKCajurRAhXBSyYKH WNxC9EQjRwIBw & url = http % 3A % 2F % 2Fyazminmendoza. blogspot. com % 2F & bvm = bv. 145822982, d. eWE & psig = AFQjCNFo8 _ qjd h8yFNUmXf _ IWq2YlG13Qg & ust = 1485873961352416.