(3GdRYGeGJ GdeMdjI aj JHfg (B((3fGMjI GdchQI (B) 1500(3e(B-1921(3e (B/ s - (3Hfj YGeQ, ehSi eMeO GHh GdYSds ((3YeGf (B:s (3hRGQI GdKbGaI,s, 2014)
Keywords: (3JGQjN GdCQOfs; (3GdbjGOIs; (3GdMce GdYKeGfj ddCQOf (B1920-1517s