Store +3 Systematic (Software) Innovation 00020 $90.00 In stock Quantity: 1 Add to Bag Product Details by Darrell Mann, First Published: 2008 (First Edition), Paperback (466 pages) ISBN: 978-1-906769-01-7 PERFECT: Perfect, Escape, Resources, Function, Emergence, Contradiction, Turtles This book is all about software problems. Save this product for later Favorite