00478nam a2200157Ia 450000500170000000800410001708200150005810000220007324500260009526000500012130000130017165000180018494200060020295200970020899900150030520250515012249.0240331s9999    xx            000 0 und d  a301.7bSAN  aSangruthiyayan,R  0aRig vedakala aryarkal  aChennaibNew Century Book House Pvt Ltdc1991  a219 p .,  aResearch Book  cL  001040708LaWERCLbWERCLcSSCd2024-03-31l0o 301.7 SANp3029r2024-03-31w2024-03-31yL  c1074d1074