(3GdJUhjQ hGdMjGI (B/ (3JCdjas - (3Shjde,eMeO fHgGfs ((3GdchjJ(B:s (3GdeLdS GdhWfj ddKbGaI hGdafhf hGdGOH,s, 1984)
Keywords: (3BdGJ GdJUhjQ GdSjfeGFjs