Gaikokujin no tame no nihongo reibun mondai shirîzu (series) 12 : Hatsuon Chôkai Japanese for Foreigners Innovative Workbooks in Japanese Pronunciation & Task Listening
Chûkyû nihongo chôkai renshû Mainichi no kikitori 50 nichi Ge Listening Tasks for Intermediate Students Everyday Listening in 50 Days
Chûkyû nihongo chôkai renshû Mainichi no kikitori 50 nichi Jô Listening Tasks for Intermediate Students Everyday Listening in 50 Days
Shokyû nihongo chôkai renshû Mainichi no kikitori 50 nichi Jô Listening Tasks for Beginners Everyday Listening in 50 Days vol. 1
Communicating in Japanese: A Course in Listening and Speaking Skills
Ikita sozai de manabu Chûkyû kara jôkyû e no nihongo = Authentic Japanese : Progressing from Intermediate to Advanced
Kodomo tachi ni oshieru nihongo Teaching Japanese to Boys and Girls : edited in accordance with "Hello Japanese for Boys and Girls"