Prakash G L and  Chaitra K Meti and  Poojitha K and  Divya R.K.,  Effect of Clustering on Energy Efficiency and Network Lifetime in Wireless Sensor Networks.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2009, vol. 31(7). 1812 - 1817
    [viewed 06 July 2020]. Available from: https://publications.waset.org/pdf/14758.