Nguyen, Thi Thanh Nga, Kim Khanh Nguyen, and Hong Son Ngo. “Study on Entropy Correlation in Wireless Sensor Networks for Energy Efficiency”. Old Journal, no. 128C (June 15, 2018): 41–47. Accessed August 2, 2025. https://jst.vn/index.php/old/article/view/779.