@article{oai:meilib.repo.nii.ac.jp:00000252,
 author = {栗山, 和広},
 journal = {宮崎女子短期大学紀要, Bulletin of Miyazaki Women's Junior College},
 month = {Mar},
 pages = {81--96},
 title = {<論文>子どもの数概念の発達について},
 volume = {24},
 year = {1998}
}