Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Sasada Koichi,Object-Oriented Scripting Language Ruby,The Journal of The Institute of Image Information and Television Engineers,13426907,The Institute of Image Information and Television Engineers,2011,65,1,55-58,https://cir.nii.ac.jp/crid/1390001205125597440,https://doi.org/10.3169/itej.65.55