Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
"Hasegawa, Junichi and Yoshikawa, Yuki",On Fundamental Concepts Related to Area Measure in Elementary School Mathematics : Fourth Graders’ Responses to Area Comparison Problems,Bulletin of Educational Research and Teacher Development of Kagawa University,1345708X,香川大学教育学部,2013-09-01,27,,25-34,https://cir.nii.ac.jp/crid/1050287772324426240,