000 00252 a2200109 4500
020 _a9788180313684
100 _aGOPINATHAN, G.
245 _aANUVAAD SIDDHANT EVAM PRAYOG
250 _a8
260 _bLOKBHARATI PRAKASHAN, PRAYAGRAJ
_c2022
942 _cBK
999 _c86915
_d86915