Ashok Kumar and Vinod Kumar, Fuzzy Logic Based Improved Range Free Localization for Wireless Sensor Networks. journal = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology. May 2013, vol. 77(5). 497 - 505 [viewed 18 September 2024]. Available from: https://publications.waset.org/pdf/3992.