A Simulation Study of the Effects of VoIP Services on Selected Data Traffic under Wireline versus Wireless Expansion Scenarios. - Sajjad Zahir; Ziaul Al-Mahmud (J. Comput. Inf. Syst., 2007)

An interactive decision support system for implementing sustainable relocation strategies for adaptation to climate change: a multi-objective optimisation approach. - Sajjad Zahir; Ruhul A. Sarker; Ziaul Al-Mahmud (Int. J. Math. Oper. Res., 2009)