TY  - BOOK
AU  - Mangal,SK
TI  - Shaikshik takniki ke multatva avam praba
SN  - nil
U1  - 371.3 
PY  - 2009///
CY  - Meerut
PB  - Meerut
KW  - Education - technology
N1  - 3505
ER  -