Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Hox, J. J. and Moerbeek, Mirjam and Schoot, Rens van de",Multilevel analysis : techniques and applications,3rd ed,Routledge,2018,Quantitative methodology series,,9781138121362,,https://cir.nii.ac.jp/crid/1130000796074804992