| 2003-12 | A Study of the Efficiency of Wastewater Treatment by Flow Injection Analysis | 이재성; 이원; 장해종; 이수원; Nguyen Viet Tung |
| - | A study on setting up and application of FIA system for the fast measruement of nitrite at the Geonghan stream | 김용준; 이원; Nguyen Viet Tung; Rhee Jae Seong |
| - | Study on the effect of fermented substrate on the anaerobic digestion of piggery waste. | Nguyen Viet Tung; Rhee Jae Seong; LEE SU-WON; 장해종 |
| 2002-03 | The evaluation method based on the concentration of salinity and sulfate by ion chromatography on surface water | 이재성; 이수원; Nguyen Viet Tung |
| - | The evaluation of contaminated sites around Paldong water reservoir by ion chromatography | Rhee Jae Seong; LEE SU-WON; Nguyen Viet Tung |
| - | The evaluation of eutrophic state on Paldang water reservation area using chloride to sulfate ratio by on site ecotest and IC | Rhee Jae Seong; LEE SU-WON; 장해종; Nguyen Viet Tung |
| 2002-12 | The evaluation of eutrophic state on Paldang water reservation area using chloride to sulfate ratio by on site ecotest and IC | 이재성; 이수원; 장해종; Nguyen Viet Tung |
| 2002-09 | The trend of water quality of Han river at side stream after Paldang Dam in apring season with feasible method for surface water evaluation | 이재성; Nguyen Viet Tung; 이수원 |
| 2001-12 | The water quality as anions of the Han River around water reservation area by noble ion exchange chromatography | Nguyen Viet Tung; 이수원; 정지형; 이재성 |
