(3GdeONd dOQGSI GdYdhe GdbGfhfjI (B: s (3eHGOF GdbGfhf (B- (3GdfXQjI GdYGeI ddMb (B/ s - (3GdaGQ, YHO GdbGOQ, s ((3YeGf, GdGQOf (B: s (3ecJHI OGQ GdKbGaI ddfTQ hGdJhRjY (B994.s, 1994)
(3jJVef GQLGYGJ HHdjhLQGajI (B: (3UaMI (B238-241.s
Keywords: (3GdbGfhf(B.s; (3fXQjI GdMb(B.s