Thandar Thein Sung-Do Chi Jong Sou Park Increasing Availability and Survivability of Cluster Head in WSN. 281-285 2008 GPC Workshops https://doi.org/10.1109/GPC.WORKSHOPS.2008.44 https://doi.ieeecomputersociety.org/10.1109/GPC.WORKSHOPS.2008.44 conf/gpc/2008w db/conf/gpc/gpc2008w.html#TheinCP08