(3GdTYQ GdMOjK ai GdMLGR (B/ s - (3YHOGdQMje GHhHcQs ([S.N] : (3OGQ GdeQjN ddfTQ , s, 1980)
Keywords: (3GdTYQ GdYQHis; (3GdYUQ GdMOjKs; (3GdSYhOjIs