(3eUGOQ GdTYQ GdLGgdi h bjeJgG GdJGQjNjI (B/ s - (3GdGSO (B: (3fGUQ GdOjfs ((3HjQhJ (B: (3dHfGf (B: s (3OGQ GdLjd (B: s, 1988)
(3jTJed Ydi GQLGYGJ HHdjhLQGajI(B( (3U (B637-650 ) (3h cTGaGJs
Keywords: (3GdTYQ GdYQHis -- (3JGQjN hfbOs; (3GdTYQ GdYQHis -- (3JGQjNs -- (3GdYUQ GdLGgdis