(3GdJQGK GdTYHjs - (3hRGQI GdKbGaI hGdafhf (B-(3HZOGOs ((3OGQ GdLGMX ddfTQs (3HZOGOs, 1979)
(3OhQjI JUOQ cd TgQjf eQI Yf hRGQI GdKbGaI hGdafhf (B- (3HZOGOs
Keywords: (3GdJQGK GdTYHj GdYQHjs; (3GdJQGK GdTYHj (B- (3OhQjGJ s