Afghan Khan S, Mohammed Riyadh M, Owais Ali Ibrahim M, Elrashid Y, Mahdi Arefin N, Kabir S, et al. Design & Development of a Gravity Powered Fan Using Gear Transmission. IJET [Internet]. 2018 Aug. 24 [cited 2024 Dec. 27];7(3.29):632-7. Available from: https://sciencepubco.com/index.php/ijet/article/view/21394