TY  - BOOK
AU  - Bates,A.W.
TI  - Technology, open learning and distance education
SN  - 0415127998
U1  - 378.3078 
PY  - 1995///
CY  - London
PB  - Routledge
KW  - TECNOLOGIA EDUCATIVA
KW  - EDUCACION A DISTANCIA
N1  - p. 250-255
ER  -