000 00402nam a2200145Ia 4500
008 230702s9999 xx 000 0 und d
020 _a9789386298645
_qpbk
082 _a502.8
_bRPH
100 _aRPH Editorial Board
245 0 _aJoint Csir-ugc Net Physical Sciences /
_cRPH Editorial Board
250 _a1st Edition
260 _aChennai :
_bRamesh ,
_c2023
300 _a202 pages
650 _aGeneral
999 _c72191
_d72191