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  1.  5
    Kim Chong-jik: Chosŏn Tohak ŭi punsuryŏng.Sŏng-hŭi Chŏng - 2009 - Sŏul Tʻŭkpyŏlsi: Sŏnggyunʼgwan Taehakkyo Chʻulpʻanbu.
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  2.  5
    Sirhak, Chosŏn ŭi rŭnesangsŭ rŭl yŏlda: kaehyŏk ŭl yŏlmang haettŏn Chosŏn chisigindŭl i kkumkkun nara.Sŏng-hŭi Chŏng - 2018 - Kyŏnggi-do Namyangju-si: Sirhak Pangmulgwan.
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  3.  3
    Uri chosang ŭn hanŭl ŭl ŏttŏkʻe ihae haennŭnʼga.Sŏng-hŭi Chŏng - 2000 - Sŏul Tʻŭkpyŏlsi: Chʻaek Sesang.