Factors Affecting the Performance of Medium and Large Local Contractors in the Jigawa State Nigerian Construction IndustryMd Asrul Nasid Masrom, Garba Hamza, Norpadzlihatun Manap and Noor Shahifah SyahromMATEC Web Conf., 266 (2019) 03017DOI: https://doi.org/10.1051/matecconf/201926603017