Sahu, M.K. and Patil, S. 2021. Enhanced Double Cluster Head Selection using Ant-Colony Optimization for Energy-Efficient Routing in Wireless Sensor Network. SAMRIDDHI : A Journal of Physical Sciences, Engineering and Technology. 13, 01 (Jun. 2021), 35-41. DOI:https://doi.org/10.18090/samriddhi.v13i01.7.