In'gan ŭi chayŏn sumyŏng
By: 집필이승국 ; 편집김광수
Publisher: 인민보건사
Published: 2016
Place of publication: P'yŏngyang
Language: kor
ISBN-13: 9789946404653
Subjects: Health; Human physiology; Popular works; Well-being
Other titles: 인간의자연수명