第3次經濟開發5個年投資事業計劃書
Subtitle: (Chiha chawŏn chosa saŏp) 1972-1976
Publisher: Kungnip Chijil Chosaso
Published: 1971
Place of publication: Sŏul
Language: kor
Number of pages: 133
Subjects: Geological surveys
Other titles: Che 3-chʻa kyŏngje kaebal 5-kaenyŏn tʻuja saŏp kyehoeksŏ