Hwang̕yŏng kwang̕ye pŏpkyu
Subtitle: chŏkchung yesang munje 705-sŏn
By: Min Hong-gyu pʻyŏnjŏ
Publisher: Chigu Munhwasa
Published: 1985
Place of publication: Sŏul Tʻŭkpyŏlsi
Language: kor
Number of pages: 437
Subjects: Problems, exercises; Environmental law