Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
OKAMOTO Koji,The Educational Ideas of O. F. Bollnow and Children’s “Question”  in Mathematics Learning,Journal of JASME : research in mathematics education,13412620,Japan Academic Society of Mathematics Education,2014-06-14,20,2,39-47,https://cir.nii.ac.jp/crid/1390001288108774528,https://doi.org/10.24529/jasme.20.2_39