@book{oai:ir.ide.go.jp:00045216,
 author = {Katsumi, Hirano},
 month = {},
 note = {C/30/Aj1, application/pdf, SPT002700_006},
 publisher = {Institute of Developing Economies(IDE-JETRO)},
 title = {Chapter 4 Extension Services for Equitable Growth: The Green Revolution in Sub-Saharan Africa},
 year = {2003}
}