@article{oai:tsuru.repo.nii.ac.jp:00000224,
 author = {植村, 憲治},
 issue = {69},
 journal = {都留文科大学研究紀要, 都留文科大学研究紀要},
 month = {Mar},
 pages = {1--23},
 title = {米国算数教科書紹介(7)},
 year = {2009}
}