(3GSGSjGJ GdHQfGeL(B: (3hjfOhR eY OYe ddZI GdYQHjI (B/ s - (3eMeO LeGd GMeO bHjYIs ([S.N] : (3OGQ GdQGJH GdLGeYjI , s, 1994)
Keywords: (3GdMGSHGJ GdGdcJQhfjIs; (3hjfOhRs