Gendai gyōsei to nettowāku rironMitsuru Noro, Masanori Okada, Takeshi Hitomi, Seiya Ishizaki · First published 2019Open the Tome
Kuni no fuhō kōi sekinin to kōkenryoku no gainenshiMasanori Okada · First published 2013Open the Tome
Keizai gyōseihō no rironHidetake Satō, Shigeyuki Sutō, Masanori Okada · First published 2010Open the Tome
Yoshikawa Shintō kankei shiryō, Tsugaru-han Saitō-ke monjoIsoshirō Ban, Yoshiyuki Okada, Masanori Itō · First published 1997Open the Tome
