Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SAKAI Noriyasu and HASEGAWA Motohiro,Development of a model practice of Programming Education Units for elementary school student,JSSE Research Report,1882-4684,Japan Society for Science Education,2016,31,8,117-122,https://cir.nii.ac.jp/crid/1390001206109615488,https://doi.org/10.14935/jsser.31.8_117