“An Analytical Study of the Principle of Taking into Account the Direction of the Wind During the Establishment of Marathon Competitions in Iraq for the Years (1980-2010)”. Journal of the College of Basic Education 22, no. 93 (December 17, 2022): 969–980. Accessed July 22, 2024. https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/7839.