Title: Oyŏm hwanʼgyŏng ŭi pogwŏn taechʻaek mit yŏnʼgu panghyang
Subtitle: 2001-yŏn Haksul Simpʻojium = Proceedings of the Symposium on the Strategies for Remediation of Polluted Environments.
Subjects: Congresses, Environmental chemistry, Pollution