Intermediate kanji book: Kanji 1000 Plus.vol 1.
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Kano, Chieko, Yuri Shimizu, and Hiroko Takenaka. 2011. Intermediate kanji book: Kanji 1000 Plus. vol. 1. Tokyo: Bonjinsha
Kano, Chieko, Yuri Shimizu, and Hiroko Takenaka. 2011. Intermediate kanji book: Kanji 1000 Plus. vol. 1. Tokyo: Bonjinsha