Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) MORI Hideki and SUGISAWA Manabu and ZHAKG Hai and MAESAKO Takanori,Practical Study on Scratch Programming Lessons for Elementary School Students : Rethinking Programming Education at Elementary School(Paper on Educational Practice research),Japan Journal of Educational Technology,13498290,Japan Society for Educational Technology,2011,34,4,387-394,https://cir.nii.ac.jp/crid/1390001205228250368,https://doi.org/10.15077/jjet.kj00007142887