(3GdGVOGO ai GddZI GdYQHjI(B: (3OQGSI UhJjI (B/ s - (3GMeO YHOGdJhGH Gdajheis ([S.N] : (3eWHYI GdSYGOI , s, 1991)
Keywords: (3GdGUhGJ GddZhjIs; (3GddZI GdYQHjIs; (3GdeJQGOaGJ hGdGVOGOs