(3QDjI fbOjI aj efGgL GdehGO GdadSajI hGdGLJeGYjI (B/ s - (3GdgGe YHOGdMejO aQLs ((3GdbGgQI (B: s (3eQcR GdeMQhSI ddHMhK hGdJOQjH hGdfTQ , s, 2000)
Keywords: (3GdefGgL (B- (3Jbjjes; (3GdadSaI ai GdJOQjSs; (3GdefWb ai GdJOQjSs; (3GdefGgL (B- (3JWhjQs