GEOTECHNICAL INVESTIGATION OF THE SUB-SOILS CONDITION AROUND YELWA NORTH CENTRAL PART OF NIGERIA FOR THE CONSTRUCTION OF INFRASTRUCTURES. NIJOTECH [Internet]. 2023 May 7 [cited 2026 Apr. 2];42(1):99-106. Available from: https://www.nijotech.com/index.php/nijotech/article/view/2773