Sŏul Tʻŭkpyŏl-si irwŏn sujil chosasŏ
Subtitle: Analysis of sewage, river & waste water of plants : 1967-yŏndo
Publisher: Yŏnse Taehakkyo Chayŏn Kwahak Yŏnʻguso
Published: 1967
Place of publication: [Seoul]
Language: kor
Number of pages: 87
Subjects: Water; Pollution