Hideo Kageyama

• "Kageyama gakkyū" gakuryoku kōjō monogatari
• Gakuryoku wa katei de nobiru
• Hontō no gakuryoku o tsukeru hon
• Order of magnitude that it has only two hundred two mass calculation thorough repetition of Hideo Kageyama ISBN
• Ru he zai jia ti sheng zi nu de xue xi neng li