Rabiu A. Abubakar, Sani Umar Haruna, Saidu Abdu Kadawa, Ozor Marcellinus Chijiume4, and Aliyu Usman Ibrahim. “Design and Fabrication of a Portable Drilling Rig for Residential Building Water Projects and Agricultural Irrigation Boreholes”. Droub Al Salamah university Scientific journal 1, no. 01 (June 10, 2026): 01–18. Accessed November 1, 2026. https://dasusj.org/index.php/Scientificjournal/article/view/2.