(3fOhI bGfhf GdHMGQ GdLOjO hGdeUGdM GdYQHjI (B/ s - (3eYgO GdHMhK hGdOQGSGJ GdYQHjIs ([S.N] : (3eYgO GdHMhK hGdOQGSGJ GdYQHjI , s, 1977)
Keywords: (3GdGJaGbjGJ GdOhdjIs; (3GdYGde GdYQHis; (3GdbGfhf GdOhdis; (3GdbGfhf GdHMQis