Chŏjiltʻan sŏntʻan sihŏm yŏnʼgu
Subtitle: Taebo, Taeyu, Tongmyŏng, Oesan, Uryang, Tʻaehwa
By: Cho Myŏng-sŭng, Min Chʻung-gi, Chʻoe Yŏn-ho = Coal utilization by up-grading of low grade coal : Dae-bo, Dae-you, Dong-myong, Woe-san, Woo-ryang, Tae-wha / by Cho Myong Sung, Min Choong Ki, Choi Yeon Ho.
Contributors: Min, Chʻung-gi.; Chʻoe, Yŏn-ho.; Hanʼguk Tongnyŏk Chawŏn Yŏnʼguso.
Series: Yŏnʼgu tʻŭkpo = KIER bulletin ;; 32; Yŏnʼgu tʻŭkpo (Hanʼguk Tongnyŏk Chawŏn Yŏnʼguso) ;; 32.
Publisher: Hanʼguk Tongnyŏk Chawŏn Yŏnʼguso
Published: 1982
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 87
Subjects: Coal mines and mining -- Korea (South) -- Chʻungchʻŏng-namdo; Coal preparation
Other titles: Coal utilization by up-grading of low grade coal.
Notes: In Korean.
Abstract in English.