@book{oai:ir.ide.go.jp:00040258,
 author = {Takashi, Kurosaki},
 month = {},
 note = {/631.1/A1001, application/pdf, OPS003400_009},
 publisher = {Institute of Developing Economies},
 title = {5. Variability in Net Profits at the Individual Farm Level},
 year = {1998}
}