000 00283nam a22001337a 4500
003 OSt
020 _a9789351246985
100 _aVenkata R Prakash Reddy
245 _aKey Notes
250 _a2019
260 _aNew Delhi
_bDaya Publishing House
300 _a480pp
942 _2ddc
_cBK
999 _c52555
_d52555