TY  - BOOK
AU  - Rai,Amar Nath
TI  - Distance education: Open learning Vs virtual university concepts 
SN  - 8172730365
U1  - 374.4 
PY  - 2000///
CY  -  Delhi
PB  - Authors press
KW  - Open learning - education
KW  - Distance education
N1  - Includes bibliographical reference and index
ER  -