AMUZAT, Dr. Olawale; ENO, Ndifreke Akaninyene. The Effect of Introducing Mandatory Clauses on Procurement Documents: An Evaluation of the Perception of Procurement Professionals in Alberta, Canada. American Journal of Economics and Business Management, [S. l.], v. 7, n. 4, p. 8–19, 2024. DOI: 10.31150/ajebm.v7i4.2736. Disponível em: https://globalresearchnetwork.us/index.php/ajebm/article/view/2736. Acesso em: 23 jul. 2025.