(3GdJQhjM hGhbGJ GdaQGZ ai GdeLJeY GdeYGUQ (B/ s - (3ceGd OQhjTs ((3GdQjGV (B: s (3eQcR GdHMhK GdJQHhjI hGdfaSjI , s, 1986)
Keywords: (3GdGdYGH GdQjGVjIs; (3GdJQajgs; (3hbJ GdaQGZs; (3GdghGjGJs