@article{oai:kumadai.repo.nii.ac.jp:00016667,
 author = {Sugaoka, Tsuyoshi and 菅岡, 強司},
 journal = {熊本大学教育学部紀要 人文科学},
 month = {Nov},
 note = {application/pdf, 論文(Article)},
 pages = {207--222},
 title = {関数概念の習得の困難に関する一考察},
 volume = {51},
 year = {2002}
}