00453nam a22001577a 450000500170000002000180001708200200003510000230005524000270007824501240010525000080022926000270023730000100026454600100027465000110028420260130105402.0  a9788199080454  a894.8114bGOP/K  aGopalakrishnan, K.  aKalviyae Azhiya Selvam  aகல்வியே அழியாத் செல்வம்/cby K. கோபாலகிருஷ்ணன்  a1st  aChennai:bNCBH,c2025.  a112p.  aTamil  aEssays