@techreport{oai:grips.repo.nii.ac.jp:00001132,
 author = {OTSUKA, Keijiro and PLACE, Frank},
 note = {https://www.grips.ac.jp/list/jp/facultyinfo/otsuka_keijiro/, 経済学 / Economics},
 title = {Evolutionary Changes in Land Tenure and Agricultural Intensification in Sub-Saharan Africa}
}