(3CSGSjGJ aj GdEQTGO GdJQHhj (B/ s - (3UGdM, eMehO YHO Gddgs ((3GdQjGV (B:s (3OGQ GdeQjN ddfTQ,s, 1985)
Keywords: (3GdEQTGO GdfaSjs; (3GdEQTGO GdJQHhjs; (3GdJhLjg GdJQHhjs