2019. Effect of The Tilt Angles on The Power Generation of The Small Manufactured Dual Wind Turbine Equipped By Separation Mechanism and Rotation Reversing Device . University of Thi-Qar Journal for Engineering Sciences. 10, 1 (Jun. 2019), 126–132. DOI:https://doi.org/10.31663/tqujes.10.1.358(2019).