(3GdUjZ GdCUhdjI hGdbGfhfjI ddOYGhi hGdChQGb GdbVGFjI hGdQSejI (B/ s - (3cOjej, UdGM GdOjf s; (3ESJGfHhdj, COjH s ((3OeTb (B: s (3GdecJHI GdbGfhfjI, s, 1988)
(3GdeMJhjGJ (B: (3GdLRA GdChd GdUjZ GdCUhdjI(B-(3GdLRA GdKGfj GdUjZ GdbGfhfjI(B.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B. s
Keywords: (3GdOYhi GdeOfjIs -- (3ShQjG s; (3bGfhf GdeQGaYGJ s -- (3ShQjGs