Title: Tobira: Teacher's Guide (Teaching Intermediate Japanese), Author: Junko Kondo
Title: 1000 Japanese Onomatopoeia, Author: William De Lange
Title: Situational Functional Japanese: Drills, Author: Tsukuba Language Publishing Staff
Title: Situational Functional Japanese: Notes, Author: TSUKUBA LANG.
Title: Situational Functional Japanese: Notes, Author: Tsukuba Language Group