00502nam a2200169Ia 450000500170000000800410001702000150005808200150007310000200008824500270010826000460013530000130018165000200019494200060021495200970022099900150031720250515013025.0240331s9999    xx            000 0 und d  a8123401620  a301.7bSUB  aSubramaniyan, K 0aSangakaala chamudhayam  aChennaibNew Century House Pvt Ltdc1982   a136 p .,  aResearch Essays  cL  001040708LaWERCLbWERCLcSSCd2024-03-31l0o 301.7 SUBp3030r2024-03-31w2024-03-31yL  c1063d1063