(3UMI GdGe hGdWad (B/ s - (3GSeGYjd UHQis; (3GHQGgje eLOis; (3Rci TYHGfs ([S.N] : (3fgVI eUQ ddWHGYI hGdfTQ hGdJhRjY , s, 1980)
Keywords: (3GdWHs; (3GdQYGjI GdUMjIs; (3GdGWaGds; (3GdhdGOIs; (3WH GdfSGAs