(3LQGFe GdbPa hGdSH GdYdfj hTQH GdNeQ Hjf GdTQjYI hGdbGfhf (B/s - (3GdefTGhj, YHO GdMejOs ((3GdbGgQI (B:s (3ecJHI GdCfLdh GdeUQjI,s, 1971)
(3jTJed Ydi HHdjhLQGajI(B.s
Keywords: (3GdSH hGdbPas -- (3bhGfjf hJTQjYGJs -- (3eUQs; (3GdLfGjGJ (B((3abg ESdGej(B)s