RAJI M. MUDASHIR; SHUAIBU NURU MAMMAN; MOHAMMED BALTEH; SAJE J KUMO. ANALYZING THE FACTORS OF UNETHICAL PROFESSIONAL PRACTICES IN NIGERIAN CONSTRUCTION PROCUREMENT: A BAUCHI STATE CASE STUDY. International Journal of Environmental Research and Earth Science, Nigeria, v. 5, n. 4, 2024. Disponível em: https://cambridgeresearchpub.com/ijeres/article/view/341.. Acesso em: 12 oct. 2025.