Uju kangguk ŭi wiyong
By: chŏja Kim Chŏng-nam
Publisher: P'yŏngyang Ch'ulp'ansa
Published: 2013
Place of publication: P'yŏngyang
Language: kor
Number of pages: 219
ISBN-13: 9789946414737
Subjects: Air power; Astronautics and state; Aerospace engineering; History