이주영 최재영 2024-01-21T03:06:28Z 2024-01-21T03:06:28Z 2022-01-10 2006-04 1229-6503 https://pubs.kist.re.kr/handle/201004/135601 Assessment and control of total nutrient loads in watershed and stream network in south-west Texas Article 3 Water Engineering Research, v.7, no.1 Water Engineering Research 7 1 Assessment and control total nutrient load watershed GIS River load land surface non-point and point source