Nguyen, Khanh-Van, Phi-Le Nguyen, Hau Phan, and Trong D. Nguyen. “A Distributed Algorithm For Monitoring An Expanding Hole In Wireless Sensor Networks”. Informatica 40, no. 2 (July 11, 2016). Accessed August 9, 2025. https://puffbird.ijs.si/index.php/informatica/article/view/1279.