27. Journal of international marketing. East Lansing, MI : Michigan State University Press, 1993- BUS304
29. Digital marketing: strategy, planning & disruption Hanlon, Annmarie, London ; Sage, [2025] BUS340
30. Digital marketing: foundations and strategy Zahay, Debra L., Boston, MA : Cengage Learning, Inc., [2024] BUS340 IFYP021
