Budiyanto, S., Asvial, M. and Gunawan, D. (2014) “Performance Analysis of Genetic Zone Routing Protocol Combined With Vertical Handover Algorithm for 3G-WiFi Offload”, Journal of ICT Research and Applications, 8(1), pp. 49-63. doi: 10.5614/itbj.ict.res.appl.2014.8.1.4.