(3JQGK GdGSdGe(B:(3GdLRA GdGhd (B((3YGde GdeYQaI (B8 - 233 ) / s - (3GMSGf UObi GdYeOs; (3eMeO RgjQ GdSeghQis; (3HhRQK, cdjahQOs; (3TGNJ, LhRjas ((3GdchjJ (B: s (3GdeLdS GdhWfi ddKbGaI hGdafhf hGdGOGH , s, 1998)
Keywords: (3GdGSdGe hGdMVGQIs; (3GdGSJTQGb hGdeSJTQbhfs; (3GdJGQjN GdGSdGeis; (3Gdaf GdGSdGeis