(3GdhLjR ai TQM GdbGfhf GdeOfi (B:s (3fXQjI GdGdJRGe HhLg YGe (B/s - .(3YHO GdQRGb GMeO GdSfghQis ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI ,s, 1966)
(3ecJHI GdOcJhQ eMi GdOjf Yde GdOjf(B.s
Keywords: (3GdeUGOQ(B.s -- (3GdbGgQIs; (3GdEKHGJ(B.s -- (3GdbGgQIs; (3GdBKGQ(B.s -- (3GdbGgQIs; (3GdChUGa(B.s -- (3GdbGgQIs; (3GdCfJbGd(B.s -- (3GdbGgQIs; (3GdGfbVGA(B.s -- (3GdbGgQIs