@article{oai:kanazawa-u.repo.nii.ac.jp:00004146,
 author = {三塚, 正臣},
 journal = {教育工学研究 = Studies in educational technology},
 month = {Sep},
 pages = {51--62},
 title = {算数・数学科の問題解決における方略指導の授業設計について},
 volume = {13},
 year = {1987}
}