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sang il hwang
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Cilt sonuçları
Oyŏm tʻoyang puji ŭi chŏngbo kwalli chʻegye hyoyurhwa pangan
Sang-il Hwang · Hanʼguk Hwanʼgyŏng Chŏngchʻaek Pʻyŏngka Yŏnʼguwŏn
120 sayfa · 2004
Soil pollution / Information resources / Databases / Government policy
Kyŏngbuk ŭi minsok munhwa
Sang-il Hwang · Kungnip Minsok Pangmulgwan
Sayfa sayısı yok · 2009
Social life and customs / Civilization