List of course material by TIJ
- •Mainichi Tsukaete Shikkari Mi ni Tsuku Hajimeyo Nihongo Shokyu 1,2
   ( Firm Improvement Through Daily Usage: Japanese for Beginners) , TIJ / Three A Network
- •Tanoshii yomikaki
   (Fun reading and writing)
- •NIhongo Setsuzoku to Bunmatsu no renshu
    (Exercise of connecting and ending sentences)
- •NIhongo Joshi no renshu     (Exercise of Particles)
- •Shokyu Nihongo no tame no Bunkei Renshu
    (Exercise of sentence patterns for beginners)
- •Shokyu Nihongo no tame no Communication Renshu
  (Exercise in communicating in Japanese for beginners)
- •Nihongo no Bunpo     (Grammar of Japanese Language)
- •Sukina mono ・Sukina koto 1,2,3     (What you like)
- •Hajimemashite    (Nice to meet you)
- •Nihongo Kaiwa Chukyu    (Japanese Conversation for Intermediate students)