TawfikT.JelassiTawfikT., Francisco J.F.J.Martínez-LópezFrancisco J.F.J., Strategies for e-Business: Concepts and Cases on Value Creation and Digital Business Transformation, wyd. 4, Cham: Springer, 2020, s. 744, DOI:10.1007/978-3-030-48950-2, ISBN978-3-030-48950-2, OCLC1424347302(ang.).
TawfikT.JelassiTawfikT., Francisco J.F.J.Martínez-LópezFrancisco J.F.J., Strategies for e-Business: Concepts and Cases on Value Creation and Digital Business Transformation, wyd. 4, Cham: Springer, 2020, s. 744, DOI:10.1007/978-3-030-48950-2, ISBN978-3-030-48950-2, OCLC1424347302(ang.).