Nihon to Suisu no chūtō shōgyō kyōiku (kōkō reberu) ; Amerika ni okeru boki dōnyūhō no suii ni tsuite ; Kōtō gakkō ni okeru konpyūta boki no dōnyū ni tsuite | lit.salon
Nihon to Suisu no chūtō shōgyō kyōiku (kōkō reberu) ; Amerika ni okeru boki dōnyūhō no suii ni tsuite ; Kōtō gakkō ni okeru konpyūta boki no dōnyū ni tsuite