@article{oai:air.repo.nii.ac.jp:00005264,
 author = {佐伯, 卓也 and Saeki, Takuya},
 issue = {9},
 journal = {東北数学教育学会年報},
 month = {},
 pages = {11--19},
 title = {数学の授業における先行オーガナイザー研究},
 year = {1978}
}