Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) OTOWA Tadayuki and TAKADA Hideyuki,The Development and Evaluation of a Learning Process Provision System Focusing on Screen Changes on GUI Programming Environment,Educational technology research,0387-7434,Japan Society for Educational Technology,2011,34,1-2,85-94,https://cir.nii.ac.jp/crid/1390001205220056960,https://doi.org/10.15077/etr.kj00007561988