Inthavongkham Phanutda and Ngo Anh Dao Ho, “Removal of natural organic matter from water by coagulation and flocculation to mitigate the formation of chlorine-disinfection by-products: a case study at Chinaimo water treatment plant, Vientiane capital, Laos”, VJSTE, vol. 61, no. 4, pp. 40-47, Dec. 2019.