(3eY GdehSjbi GdYGdejI(B:s (3YQV ehLR dHYV eQGMd GdJWhQ hGdGROgGQ (B/ s - (3aQjO, WGQb MShfs ((3HZOGO(B[(3GdYQGb(B]:s (3OGQ GdTDhf GdKbGajI GdYGeI, s, 1989)
Keywords: (3GdehSjbis -- (3JGQjN hfbOs