摘要
Inthemid-1970s,thereoccurredanabruptturninAfricaneconomicdevelop-ment.AccordingtoaWorldBankreport,theGDPofthe47sub-SaharanAfricancountriesregisteredanaverageannualgrowthrateofonly2.5%intheperiodfrom1973to1980.Thingswentfrombadtoworseinthe1980s.Intheperiodbetween
出版日期
1997年07月17日(中国期刊网平台首次上网日期,不代表论文的发表时间)