Han Jong-HaKorean Educational Development Institute Press1986
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project director, Han Myun-hee ; researcher, Song Yong-yi, Yoo Kyeu-sooKorean Educational Development Institute Press1986
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researcher: Kwak Byong-sunKorean Educational Development Institute Press1985
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prepared by research team Yun Chung-il [et al.]Korean Educational Development Institute Press1985
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project director, Lee Yun-sup ; researcher, Lee Young-jae, Cho See-hwaKorean Educational Development Institute Press1984
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project director, Kim Byong-sung ; researcher, Chung Young-ae, Lee In-hyoKorean Educational Development Institute Press1984
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project director, Lee Chong-jae ; researcher: Chung Young-ae, Lee In-hyo, Lee Young-roKorean Educational Development Institute Press1984
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project director : Han John-ha ; researcher : Park Kyung-sook...[et al.]Korean Educational Development Institute Pressc1983
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edited by Korean Educational Development InstituteKorean Educational Development Institute Press1982-1983
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project director, Kwak Byong-sun ; researcher, Han Seung-hee, Kang Sang-wonKorean Educational Development Institute Press1983
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translated by Chonsun Im, Eun Soon Baik and Hee Soon NamKorean Educational Development Institute Press1982-1986
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