Das Adhikary, D. R., and D. K. Mallick. “An Energy Aware Unequal Clustering Algorithm Using Fuzzy Logic for Wireless Sensor Networks”. Journal of ICT Research and Applications, vol. 11, no. 1, Apr. 2017, pp. 55-76, doi:10.5614/itbj.ict.res.appl.2017.11.1.4.