@article{oai:u-ryukyu.repo.nii.ac.jp:02008172,
 author = {湯澤, 秀文 and Yuzawa, Hidefumi},
 issue = {22},
 journal = {琉球大学教育学部教育実践総合センター紀要, Bulletin of Faculty of Education Center for Educational Research and Development},
 month = {Mar},
 note = {紀要論文},
 pages = {37--46},
 title = {数学教育における樹形図の活用に関する一考察},
 year = {2015}
}