Chūgo Iwashita

• Atarashii dōzoku-gaisha no jigyō shōkei
• Hi jōjō kabushiki no hyōka & katsuyō no zeimu
• Sōsetsu Shōhizeihō
• Sōsetsu sōzokuzei zōyozei
• Sōzokuzei, zōyozei kaisei to fudōsan no shōkei taisaku