(3LQGFe GdYQV hGdMjGA GdYGe (B:s (3jTJed Ydi GdGZJUGH, gJc GdYQV, GdRfG hbhGYO GdTchi YfgG, GdaYd GdaGVM GdYdfj hZjQ GdYdfj, GdJYQV dCfKi Ydi hLg jNOT MjGDgG (B/s - (3WfWGhj, EHQGgje MGeO eQSjs ((3GdbGgQI (B:s (3GdecJHI GdbGfhfjI,s, 1998)
(3HHdjhLQGajI (B: (3UaMI (B272-278.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdGZJUGHs -- (3bhGfjf hJTQjYGJs -- (3eUQs; (3GdLQGFe GdLfSjIs -- (3bhGfjf hJTQjYGJs -- (3eUQs; (3gJc GdYQVs -- (3bhGfjf hJTQjYGJs -- (3eUQs