Oswald ATIGA. Public Sector Procurement in Ghana (Volume 1). Public Sector Procurement in Ghana (Volume 1), [S. l.], p. 1–161, 2024. DOI: 10.9734/bpi/mono/978-93-48119-13-1. Disponível em: https://stm.bookpi.org/PSPG/article/view/15803. Acesso em: 28 jul. 2026.