(3GdCYQGV hGdCeQGV GdfaSjI hYdGLgG (B:s ((3ddCWaGd hGdCMOGK(B) /s - (3YHO GdQGRb, YeGO ,s ((3YeGf (B- (3GdCQOf (B:s (3OGQ GdacQ ddfTQ hGdJhRjY,s, 1987)
(3edGMb (B: (3U(B. 137-143.s
(3HHdjhLQGajI (B: (3U(B. 144-150.s
Keywords: (3GdCeQGV GdfaSjI YfO GdCWaGds; (3GdCWaGds -- (3Yde faSs