"Efficient integer programming formulations for optimum sink location and routing in heterogeneous wireless sensor networks",
Computer Networks, vol. 54, pp. 1805–1822, 2010.
"A Tabu Search Heuristic for Point Coverage, Sink Location, and Data Routing in Wireless Sensor Networks",
EvoWorkshops, pp. 83–94, 2010.
"A Variable Neighborhood Search Heuristic for Point Coverage, Sink Location and Data Routing in Wireless Sensor Networks",
International Conference on Communication Theory, Reliability, and Quality of Service, 2009.