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020 _a978-93-91793-66-1
041 _aEnglish
082 _aT13 R23 RAJ
100 _aRajamkrishnan
245 _aPenkural
260 _aChennai
_bCholan Publications
_c2023
300 _a324
942 _cBK
999 _c171981
_d171981