(3GdJHQjO (B: (3UjGfI hGUdGM LejY GdKdGLGJ GdcgQHGFjI (B- (3GdKdGLI (B/ s - (3aGQhb eMeO GdYGeQis ([S.N] : (3GdOGQ GdeUQjI GddHfGfjI , s, 1993)
Keywords: (3GdUjGfIs; (3GdJHQjOs; (3GdKdGLGJs