ADUSEI, Charles. Adherence to Public Procurement Act in Tamale Polytechnic of Ghana: Rhetoric or Reality in practice?. Archives of Business Research, [S. l.], v. 4, n. 3, 2016. DOI: 10.14738/abr.43.2015. Disponível em: https://scholarpublishing.org/journals/index.php/ABR/article/view/449. Acesso em: 4 may. 2026.