Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Oeda Shinichi and Wada Shuhei,Proposal and Validation of Quartet Learning,"THE BULLETIN OF NATIONAL INSTITUTE of TECHNOLOGY, KISARAZU COLLEGE",21889201,"National Institute of Technology, Kisarazu College",2020,53,0,47-49,https://cir.nii.ac.jp/crid/1390565134844739840,https://doi.org/10.19025/bnitk.53.0_47