000
00283nam a22001337a 4500
003
OSt
020
_a
9789351246985
100
_a
Venkata R Prakash Reddy
245
_a
Key Notes
250
_a
2019
260
_a
New Delhi
_b
Daya Publishing House
300
_a
480pp
942
_2
ddc
_c
BK
999
_c
52555
_d
52555