TY  - BOOK
AU  - Balusu Veena Kumari
TI  - Operation Blackboard 
SN  - 9788131304815
U1  - 372 
PY  - 2009///
CY  - New Delhi
PB  - APH Publishing Corporation
KW  - Educatinal Trends
KW  - Education
N1  - Includes Index
ER  -