Azzali, F., O. Ghazali, and M. H. Omar. “Performance Analysis of Vertical Handover in Vehicular Ad-Hoc Network Using Media Independent Handover Services”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), vol. 9, no. 2-11, Sept. 2017, pp. 13-18, https://jtec.utem.edu.my/jtec/article/view/2730.