MAP20078036440 Best practices in IT portfolio management : most organizations struggle to demonstrate business gains from investments in information technology. New research reveals a portfolio management approach that delivers tangible results / Mark Jeffery and Ingmar Leliveld En: Sloan management review. - Cambridge : MIT Sloan School of Management, 1985-2012 = ISSN 1532-9194. - Número 3 45 2004
