@article{oai:minpaku.repo.nii.ac.jp:00008019,
 author = {Lee, Richard B.},
 journal = {Senri Ethnological Studies},
 month = {Jul},
 pages = {161--176},
 title = {Persistence of Foraging among Tsumkwe Ju/’hoansi in the 21st Century1)},
 volume = {99},
 year = {2018}
}