2019. Improved Enhanced Distributed Energy Efficient Clustering (iE-DEEC) Scheme for heterogeneous Wireless Sensor Network. International Journal of Engineering Research and Advanced Technology (ijerat) (E-ISSN 2454-6135) DOI: 10.31695/IJERAT. 5, 1 (Jan. 2019), 06–11. DOI:https://doi.org/10.31695/IJERAT.2019.3359.