Muhammad Ameen Bhatti, rehamn wais AK, Nohri NM, rehamn NSD. PSD Based Levitation Control of Copter Motor Arm. IJEEET [Internet]. 2018 Dec. 5 [cited 2026 Jun. 6];1(1). Available from: https://www.oldarchive.ijeeet.com/index.php/ijeeet/article/view/5