ADEL ABDELRAZAQ, Khalid; HAMEED ABED, Saif. Improving The Performance of Center-Pivot Irrigation System. Journal of Engineering and Sustainable Development, Baghdad, Iraq, v. 18, n. 4, p. 16–24, 2014. Disponível em: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/828.. Acesso em: 19 apr. 2025.