Lan Chi, Nguyen Thuy. “A MODEL OF CLEAN WATER SUPPLY AND IMPROVEMENT OF ENVIROMENTAL SANITARY CONDITION AT RESIDENTIAL CLUSTER IN MEKONG DELTA, VIETNAM”. GeoScience Engineering 61, no. 4 (January 20, 2016): 9–16. Accessed May 6, 2024. http://geoscience.cz/ojs/index.php/GSE/article/view/90.