| 2003-12 | A Study of the Efficiency of Wastewater Treatment by Flow Injection Analysis | 이재성; 이원; 장해종; 이수원; Nguyen Viet Tung |
| 2004-03 | A Study on the Development of On-Site Detection Method and the Investigation of Water Quality | 이재성; 이수원; 민경희; 장해종 |
| 2003-06 | A study on the evaluation of water quality for Tancheon and Yangjaecheon stream by on-site detection method | 이재성; 이원; 장해종; 이현준; 이수원; N.V. Tung |
| - | A study on the investigation of water quality of Tan stream and Yang-Jae stream by the on-site test method. | 장해종; Rhee Jae Seong; 이원; 이현준; LEE SU-WON; N.V. Tung |
| - | A study on the manufacture and application of FIA system for measurement of low concentration of nitrite | Rhee Jae Seong; 이원; 김용준; 장해종 |
| 2004-11 | A study on the on the constitution and application of FIA for analyzing phosphate | 이재성; 장해종; 이수원 |
| 2002-12 | A study on the survey of water quality by the analysis of components causing eutrophication in Tanchon | 이재성; 이원; 이수원; N. V. Tung; 장해종 |
| - | A study on the survey of water quality in Pal-Dang water reservation area | Rhee Jae Seong; 장해종; N.V. Tung; LEE SU-WON |
| - | Study on the effect of fermented substrate on the anaerobic digestion of piggery waste. | Nguyen Viet Tung; Rhee Jae Seong; LEE SU-WON; 장해종 |
| - | 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 |
