(3aGcgI GdUja h CfjS GdVja (B/ s - (3GdSjhWj, LdGd GdOjf CHh GdaVd YHO GdQMefs ((3GdbGgQI (B:s (3ecJHI GHf SjfG ddfTQ h GdJhRjY h GdJUOjQ,s, 1988)
Keywords: (3GdCOH GdYQHjs; (3GdJQGLes; (3GdYQHs