Nihongo fukubun kōbun no kenkyūTakashi Masuoka, Motoo Ōshima, Osamu Hashimoto, Kaoru Horie, Naoko Maeda, Takehiko Maruyama · First published 2014Open the Tome
"Gendai nihongo kakikotoba kinkō kōpasu" ni fukumareru sanpuru oyobi shoshi jōhō no sekkei to jissōTakehiko Maruyama · First published 2011Open the Tome
"Gendai nihongo kakikotoba kinkō kōpasu" ni okeru sanpuringu no genri to un'yōTakehiko Maruyama · First published 2011Open the Tome
"Gendai Nihongo kakikotoba kinkō kōpasu" ni okeru sanpuru kōseihi no sanshutsuhōTakehiko MaruyamaOpen the Tome
