(3GdfbhO (B/s - (3eMeO dHjH TbjQ s ((3GdbGgQI(B:s (3ecJHI GdfgVI GdeUQjI(B,s, 1955)
(3jTed Ydi GQLGYGJ HHdjhLQGajIs
Keywords: (3GdfbhO hGdHfhcs