(3cJGH GdeHShW aj Gdabg GdMfaj (B/s - (3GdSQNSj , eMeO Hf CMeO Hf Sgd s (3J(B. 490(3g`(B.s; (3GdTGaYj , CHj YHO Gddg eMeOs; (3GdYfGfj , ceGds ((3HjQhJ (B:s (3OGQ GdcJH GdYdejI,s, 2009)
(3cTGaGJ (B: (3eL(B. 31.s
Keywords: (3Gdabg GdMfajs