(3GdchjJ hGdLghO GdOhdjI decGaMI GdeNOQGJ (B/s - (3GdaQMGf, YHO Gddg SYjOs ((3GdchjJ (B:s (3hRGQI GdOGNdjI,s, 1985)
(3HHdjhLQGajI (B: (3U(B. 325-327.s
Keywords: (3GdeNOQGJs -- (3GdchjJs; (3ecGaMI GdeNOQGJs -- (3GdchjJs