(3TQM bGfhf GdeNOQGJ GdehMO (B/s - (3MSf YchTf(B.s ((3GdbGgQI (B:s (3OGQ GdacQ GdMOjK ddWHGYI hGdfTQ,s, 1961)
(3jTJed Ydi GQLGYGJ HHdjhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdJTQjYGJ GdeJYdbI HGdeNOQGJ(B.s; (3GdbGfhf GdLfGFjs