"Efficient integer programming formulations for optimum sink location and routing in wireless sensor networks", Computer and Information Sciences, 2008. ISCIS'08. 23rd International Symposium on: IEEE, pp. 1–6, 2008.
"Efficient solution techniques for the integrated coverage, sink location and routing problem in wireless sensor networks", Computers & Operations Research, vol. 39, no. 7: Elsevier, pp. 1530–1539, 2012.
"Lifetime maximization in wireless sensor networks using a mobile sink with nonzero traveling time", The Computer Journal: Oxford University Press, pp. bxr048, 2011.
"Optimal placement, scheduling, and routing to maximize lifetime in sensor networks", Journal of the Operational Research Society, vol. 61, no. 6: Nature Publishing Group, pp. 1000–1012, 2010.
"Wireless sensor network lifetime maximization by optimal sensor deployment, activity scheduling, data routing and sink mobility", Ad Hoc Networks, vol. 17: Elsevier, pp. 18–36, 2014.