Tarig Mohamed Gabir Ibrahim, and Eltahir Mohamed Hussein. “Land Leveling Device Using Laser Technology”. Technology Horizon Journal (ISSN: 1858-6368) 2, no. 2 (February 15, 2018): 7–9. Accessed October 23, 2024. https://thj.fu.edu.sd/index.php/thj/article/view/28.