Foundations of distance education
Keegan, Desmond
Foundations of distance education - 2a ed. - Gran Bretaña : Routledge, 1986 - 214 p. : tbs. ; 21 cm. - Routledge Education .
0-415-01052-7
Educación a distancia
LC 5800 / K43
Foundations of distance education - 2a ed. - Gran Bretaña : Routledge, 1986 - 214 p. : tbs. ; 21 cm. - Routledge Education .
0-415-01052-7
Educación a distancia
LC 5800 / K43