TY  - BOOK
AU  - Kumari, Balusu Veena
AU  - Rao, Digumarti Bhaskara
TI  - Operation blackboard
SN  - 978-81-313-0482-2
U1  - 370 
PY  - 2016///
CY  - New Delhi
PB  - A . P. H.
KW  - EDUCATION
N1  - Include index
ER  -