Source: Adapted from Zeng DZ (2006). Knowledge, technology and cluster-based growth in Africa: Findings from 11 case studies of clusters in Africa. WBI Development Study. World Bank, Washington DC: 4.
Source: D &apos; après Zeng D. Z. (2006), Knowledge, technology and cluster-based growth in Africa: Findings from 11 case studies of clusters in Africa, WBI Development Study, Banque mondiale, Washington, DC, p. 4.