Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) John Sweller,Cognitive Load During Problem Solving: Effects on Learning,Cognitive Science,0364-0213,Wiley,1988-04,12,2,257-285,https://cir.nii.ac.jp/crid/1363670321236313472,https://doi.org/10.1207/s15516709cog1202_4