Survey on network virtualization using openflow: Taxonomy, opportunities, and open issues by Abdelaziz, A., Ang, Tan Fong, Sookhak, M., Khan, S., Vasilakos, A., Liew, Chee Sun, Akhunzada, A.

Cloud resource allocation schemes: review, taxonomy, and opportunities by Yousafzai, A., Gani, Abdullah, Noor, R.M., Sookhak, M., Talebian, H., Shiraz, M., Khan, M.K.

ABC-PSO for vertical handover in heterogeneous wireless networks by Goudarzi, S., Hassan, W. H., Anisi, M. H., Soleymani, A., Sookhak, M., Khan, M. K., Hashim, A. H. A.