(3GdGfSGf hGdeGd ai GdGSdGe (B/ s - (3YHOGdefYe MSfjfs ([S.N] : (3OGQ GdhaGA ddWHGYI hGdfTQ hGdJhRjY , s, 1986)
Keywords: (3GdGSdGe hGdGbJUGOs; (3GdGSdGe (B- (3GdfXGe GdeGdis; (3GdGfSGf ai GdGSdGes; (3GdGfSGf hGdHjFIs