@article{oai:soar-ir.repo.nii.ac.jp:00001804,
 author = {天岩,  靜子},
 journal = {信州大学教育学部紀要},
 month = {Aug},
 note = {Article, 信州大学教育学部紀要. 100: 137-148 (2000)},
 pages = {137--148},
 title = {四則演算の概念的理解に関する研究},
 volume = {100},
 year = {2000}
}