@article{oai:toyama.repo.nii.ac.jp:00000971,
 author = {安達, 勇作},
 journal = {富山大学教育学部研究論集},
 month = {Sep},
 note = {application/pdf, Article},
 pages = {43--52},
 title = {知的障害児における数概念の発達－未測量の認識の発達－},
 volume = {4},
 year = {2001}
}