Overby, Harald Introduction to digital economics : foundations, business models and case studies / Harald Overby and Jan Arild Audestad - 2nd ed. - Switzerland : Springer, c2021. - xvii, 353 p. Includes bibliographical references (345p.) and index. ISBN: 978-3-030-78236-8 Subjects--Personal Names: Information technologyBusiness-Data processing Dewey Class. No.: 330.0285 O963 2021