Intou hentou , kougai hentou hidaishouji no shiretsukyuu , gaku ganmen keitai ni kansuru kenkyuu : shiretsu mokei , seibou toubu Xsen kikaku shashin ni yoru kentou

Tenpurētohou o ouyoushita toubu Xsen kikaku shashin ni yoru gaku ganmen keitai no rittai hyouji

Nihonjin oyobi kankokujin seinen danshi no ha shiretsu to gaku ganmen tougai no hikaku kenkyuu