A study on the management-maintenance system in provincial parka
Wook Sung, Dong-Pil Kim
한국환경생태학회 학술대회논문집 Vol.25 2 (2015.10) pp.44-45
A Study for Restored Stream Maintenance - Focus on the Restored Streams in Incheon City -
한국환경생태학회 학술대회논문집 Vol.19 2 (2009.10) pp.66-70