冲突、战争与和平经济、商业与金融科学与技术GIADEC and RUSAL agree to build and jointly operate a bauxite-to-alumina refinery in Ghana. - MyJoyOnlineMyJoyOnline·2 个来源·阅读 1 分钟·3天前·归档于2026年11月2日2026 survey across 38 countriesAfricaAfrobarometerDouglas BoatengEconomic Community of West African StatesGIADECGhanaGhana Alumina CompanyKenyaNigeriaNyansaKasaNyinahin deposit报告问题