(3eDdaGJ GHf NdOhf (B/ s - (3YHOGdQMef HOhis ([S.N] : (3GdOGQ GdYQHjI ddcJGH , s, 1979)
Keywords: (3GdadSaI GdGSdGejIs; (3GdYdes; (3GdJGQjN GdGSdGeis; (3GdGLJeGYs; (3GHf NdOhfs