When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
In the proposed models, the number of possible directions of evolution can be finite or infinite. Publisher ISTE Ltd and John Wiley & Sons Inc. Format Hardcover.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.