maysam abdulraheem abdulhasan, and Ghusoon Natiq Al-wadi. “Constructing and Standardizing a Spatial Orientation Test for Skydiving”. Modern Sport 22, no. 2 (June 30, 2023): 0131. Accessed May 11, 2025. https://jcopew.uobaghdad.edu.iq/index.php/sport/article/view/1106.