Larson, Donald F.; Otsuka, Keijiro; Kajisa, Kei; Estudillo, Jonna; Diagne, Aliou(The World Bank, Agriculture and Rural Development Team, New York, 2010)
Quisumbing, Agnes R.; Otsuka, Keijiro(CGIAR System-Wide Program on Property Rights and Collective Action, International Food Policy Research Institute (IFPRI), Washington, DC, 2001)
Place, Frank; Otsuka, Keijiro(CGIAR System-wide Program on Property Rights and Collective Action, International Food Policy Research Institute, Washington, DC, 2000)