Kuo-Liang Ou, Kun-Rong Hsie, Mingteh Chen, W. T. N.-W. C. L.-Z. D. “The Integration of Heterogeneous Wireless Networks (IEEE 802.11/IEEE 802.16) and Its QoS Analysis”. International Journal of Communication Networks and Information Security (IJCNIS), vol. 2, no. 3, Dec. 2010, doi:10.17762/ijcnis.v2i3.53.