@article{oai:air.repo.nii.ac.jp:00005258, author = {佐伯, 卓也 and 横田, 晴充 and Saeki, Takuya and Yokota, Harumitsu}, issue = {8}, journal = {東北数学教育学会年報}, month = {Mar}, pages = {35--42}, title = {オーガナイザーを用いた授業実践事例}, year = {1977} }