(3ebOGeGJ JaSjQ GdbQBf (B: s (3JaSjQ aGJMI GdcJGH h GdBjGJ GdChdi ef ShQI GdHbQg (B/ s - (3GdHfG, MSfs ((3HjQhJ (B:s (3ecJHI MWjf,s, 1972)
Keywords: (3GdbQBf GdcQjes; (3JaSjQ GdbQBfs