TY  - BOOK
AU  - Nigam, B.K..
TI  - Management and evaluation of distance education / 
SN  - 81 7391 145 2
U1  - T4:4,8 
PY  - 1997///
CY  - New Delhi-110 002 : 
PB  - Kanishka publishers, Distributors , 
KW  - Education
ER  -