Digital Services and Platforms. Considerations for Sourcing 12th Global Sourcing Workshop 2018, La Thuile, Italy, February 21-24, 2018, Revised Selected Papers - Kotlarsky, Julia; Kotlarsky, Julia; Oshri, Ilan; Oshri, Ilan; Willcocks, Leslie; Willcocks, Leslie (Springer International Publishing : Imprint: Springer, 2019)