Diferencia entre revisiones de Enseñanza Programada
Añadido:
Stolurow, Lawrence M. Davis, Daniel. Teaching Machines and Computer Based System. Office of Naval Research, USA, 1963
Borrado:
Stolurow, Lawrence M. Teaching Machines and Special Education. Educational and Psychological Measurement, vol. 20, no. 3, Oct. 1960, pp. 429–448, doi:10.1177/001316446002000301.