TY  - BOOK
AU  - Amar Nath Rai
TI  - Distance education: open learning vs virtual university concepts 
SN  - 8172730365
PY  - 2000///
CY  - Delhi
PB  - Authorspress
KW  - Distance education
N1  - Index : p.268-274; Bibliography : p.264-267
ER  -