(3GdeQLY aj GdEOeGf Ydi GdNeQ hGdeNOQGJ hGdYbGbjQ (B/s - (3GdUGdM, YHO Gddg Zdhe(B.s; (3ESeGYjd, YRJ SjO(B.s ((3GdchjJ (B:s (3LGeYI GdchjJ,s, 1994)
(3HHdjhLQGajI (B: (3U(B. 560-567.s
Keywords: (3EOeGf GdeNOQGJs; (3TQH GdNeQs