@article{oai:ir.kagoshima-u.ac.jp:00012541,
 author = {大山, 正信},
 journal = {鹿児島大学教育学部研究紀要. 人文・社会科学編, Bulletin of the Faculty of Education, Kagoshima University. Cultural and social science},
 month = {2016-10-31},
 pages = {161--170},
 title = {算数教育における概念の形成},
 volume = {18},
 year = {}
}