Perdana M, Nurzal, Firdaus S, Saferi R. Flying Time Of Quadcopter Based On Green Composites Material. JTM [Internet]. 2018 Oct. 31 [cited 2024 Apr. 28];8(2):73-7. Available from: https://jtm.itp.ac.id/index.php/jtm/article/view/548