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Introduction to Computer Programming by Derek Felsher. He has a Bachelor of Science from the University of Cape Town, is a qualified SAP Consultant in 2 disciplines (ABAP, B1) and has been involved in programming for almost 20 years.
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.