TY  - BOOK
AU  - Mangal, S. K.
AU  - Mangal. Uma
TI  - Shiksha Takniki 
SN  - 9788120337244
U1  - 371.33 
PY  - 2009///
CY  - New Delhi
PB  - PHI
KW  - Education Technology
KW  - Education
N1  - index included
ER  -