Iillustration for cover of books
Information Technology Engineers Examination Series (Reiwa 4 edition)
These are reference for Japan Information-Technology Engineers Examination.
client : Gijutsu-Hyohron Co., Ltd. / design : NONdesign Toshinobu Kojima
client : Gijutsu-Hyohron Co., Ltd. / design : NONdesign Toshinobu Kojima
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