Bureau". マイコンBASICマガジン (in Japanese). Japan. November 1992. p. 301. Retrieved 7 August 2024 – via Archive.org. "I-MAX Information Bureau". マイコンBASICマガジン (in
Watanabe and his members wrote an introductory book Mi-com Introduction (マイコン入門) in July 1977, it became very popular and sold more than 200,000 copies
Microcomputers' (趣味講座「マイコン入門」)" using the PC-8001. Its textbook "Introduction to Microcomputers - the first half of Showa 57 (マイコン入門 昭和57年度 前期)" sold 700