Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
Herbert W. Marsh,Verbal and Math Self-Concepts: An Internal/External Frame of Reference Model,American Educational Research Journal,0002-8312,American Educational Research Association (AERA),1986-03,23,1,129-149,https://cir.nii.ac.jp/crid/1363388846134880640,https://doi.org/10.3102/00028312023001129