1.
Rapid Reading Japanese (Chu Jokyu Sha No Tame No Sokudoku No Nihongo) (Japanese Edition)
by Mayumi Oka
ISBN: 9784789009157
2.
Tobira: Gateway to Advanced - Chuukyuu Nihongo o oshieru kyoushi no tebiki = Teaching interm...
by Oka Mayumi shuppitsu ; Tsut...
ISBN: 9784874245293
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