Yoshiaki Takebe

• Gendai kokugo hyoki jiten
• Kanji no yōhō
• Kanji no yomikata
• Kanji wa muzukashiku nai
• Kokugo hyoki jiten
• Meikai kokugo hyōki jiten
• Naruhodo joyo kanjihyo
• Nihongo hyōkihō no kaidai
• Nihongo no hyōki