(3GbJUGOjGJ GdfbhO hGdHfhc (B:s (3OQGSI aj GdfbhO hGdHfhc, bjeI GdfbhO hfXQjI GdcejI, GdeTGcd GdGbJUGOjI GdeYGUQI (B/s - (3HhPjGH, SdjeGfs ((3HjQhJ (B:s (3eLO GdeDSSI GdLGeYjI ddOQGSGJ hGdfTQ hGdJhRjY,s, 1996)
(3HHdjhLQGajI (B: (3U(B. 239-241.s
Keywords: (3GdHfhcs -- (3LhGfH GbJUGOjIs; (3GdfbhOs -- (3LhGfH GbJUGOjIs