Khan, M. Zeeshan, M. Zahid khan, Haseeb Ur Rahman, and Mohammad Faisal. “Performance Comparison of Structured Based Data Aggregation Schemes in Wireless Sensor Networks”. Journal of Information Communication Technologies and Robotic Applications (June 30, 2019): 6-18. Accessed April 5, 2020. http://jictra.com.pk/index.php/jictra/article/view/140.