Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
IMAOKA Mitsunori and HAYAMI Makoto,Study on the Sum of Interior Angles or Exterior Angles of Polygon : From the View Point of the Combinatorial Properties in Figures,Journal of JASME : research in mathematics education,1341-2620,Japan Academic Society of Mathematics Education,2007,13,0,215-223,https://cir.nii.ac.jp/crid/1390845713044995328,https://doi.org/10.24529/jasme.13.0_215