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  1. Kyoyuk chʻŏrhak kaeron.Ton-hŭi Yi - 1977
     
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  2. Kyoyukchŏk kyŏnghŏm ŭi ihae.Ton-hŭi Yi - 1993 - Sŏul Tʻŭkpyŏlsi: Kyoyuk Kwahaksa.
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  3. Kyoyuk kwahak ŭi iron.Ton-hŭi Yi - 1975 - Sŏul: Kyoyuk Ch'ulp'ansa.
     
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  4. Kyoyuk ŭi ch'ŏrhakchŏk kich'o.Ton-hŭi Yi - 1976 - [Seoul]: Sŏul Taehakkyo Ch'ulp'anbu.
     
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