Erfianto, Bayu, and Muchtadi-AlamsyahIntan. “Stability and Vulnerability of Bird Flocking Behaviour: A Mathematical Analysis”. HAYATI Journal of Biosciences 26, no. 4 (December 28, 2019): 179. Accessed April 27, 2024. https://jurnal.ipb.ac.id/index.php/hayati/article/view/28883.