Chikashi Nagano1948 · 5 obras en el catálogoObrasEEigyō himitsu to kyōgyō hishi gimu no hōmuEigyō himitsu to kyōgyō hishi gimu no hōmu2008GGijutsu kaihatsu no kanri to keiyaku no hōmuGijutsu kaihatsu no kanri to keiyaku no hōmuCChūkai tokkyoken shingai handan nintei kijunChūkai tokkyoken shingai handan nintei kijunTTokkyoken, shinposei handan kijun no taikei to hanrei rironTokkyoken, shinposei handan kijun no taikei to hanrei rironSShokumu hatsumei no riron to jitsumuShokumu hatsumei no riron to jitsumu
TTokkyoken, shinposei handan kijun no taikei to hanrei rironTokkyoken, shinposei handan kijun no taikei to hanrei riron