Muhammad Ade Yusuf Alghifrani, Hidayatul Nurohmah, Dwi Ajiatmo, and Machrus Ali. “Bat Algorithm Sebagai Optimasi PID Controller Pada Turbin Angin”. SinarFe7, vol. 2, no. 1, Aug. 2019, pp. 447-51, https://journal.fortei7.org/index.php/sinarFe7/article/view/324.