Tamami N, Pitowarno E, Astawa IGP. A Combination of PD Controller and PIAFC for Stabilization of “x” Configuration Quadcopter. EMITTER Int’l J. of Engin. Technol. [Internet]. 2014Jun.1 [cited 2024Nov.22];2(1):1-16. Available from: https://emitter2.pens.ac.id/ojs/index.php/emitter/article/view/13