Beulen Erik Managing IT outsourcing. Beulen Erik; Ribbers Pieter; Roos Jan - 2 - London Routledge 2011 - viii,321p cm. ISBN: 6635.9499999999998 Standard No.: 113775 Source: 122, 20/10/2011, Pioneer Book Distributors Textual Subjects--Topical Terms: Financial Studies Dewey Class. No.: X:5363:[D6,8(B)], Q1