Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Hagiwara M.,21aCK-7 Examination about gap of thinking stage at the beginning of physics learning in university : Essential structure seen through questionnaire surveys,Meeting Abstracts of the Physical Society of Japan,2189-0803,The Physical Society of Japan,2015,70.1,0,3460,https://cir.nii.ac.jp/crid/1390282680933865600,https://doi.org/10.11316/jpsgaiyo.70.1.0_3460