@book{oai:ir.ide.go.jp:00040149,
 author = {Tsutomu, Takane},
 month = {},
 note = {SMW/631.1/Aj2, application/pdf, OPS004200_005},
 publisher = {Institute of Developing Economies (IDE-JETRO)},
 title = {4. Green Revolution Delayed: Maize Production},
 year = {2008}
}