Supardi Sitepu, Abdi Sugiarto, and Cut Nuraini, “Management of The Wampu River in Reducing Flood Risk in Tanjung Pura District, Langkat Regency”, Equivalent , vol. 4, no. 2, pp. 1581–1591, May 2026, doi: 10.61994/equivalent.v4i2.1843.