Grainger-Jones, Elwyn; Fidzani, Happy; Yagci, Fahrettin; Mbekeani, Kennedy; Salkin, Jay(Botswana Institute for Development Policy Analysis(BIDPA) and The World Bank, 2000)
Phirinyane, Molefe; Kaunda, J.M.; Salkin, Jay; Kaboyakgosi, Gape; Thupeng, Wilson; Batsetswe, Letsogile(Botswana Institute for Development Policy Analysis(BIDPA) and United Nations Economic Commission for Africa(UNECA), 2006)