Yeboah-Boateng, E. O. ., and E. . Akwa-Bonsu. “Digital Forensic Investigations: Issues of Intangibility, Complications and Inconsistencies in Cyber-Crimes”. Journal of Cyber Security and Mobility, vol. 4, no. 2-3, Aug. 2015, pp. 87-104, https://journals.riverpublishers.com/index.php/JCSANDM/article/view/5157.