(3GfJGL eMGUjd GdaGcgI (B/ s - (3YHOGdaJGM YKeGfs; (3eMeO fXja MLGL Ndjas; (3GHhRjO eMehO YWGGddgs ([S.N] : (3efTGI GdeYGQa GdGSdGejI , s, 1990)
Keywords: (3GdahGcgIs; (3GdGaGJ GdRQGYjIs; (3GTLGQ GdaGcgIs; (3GdHSGJjfs; (3JcGKQ GdfHGJs