1.
Dinh DV, Nguyen PT, Nguyen TT, Carrard N, Ngoc MN, Ton Nu Hai A. Input allocative efficiencies for operation and maintenance of rural piped water supply systems in highland areas of Vietnam. jwld [Internet]. 2024 Jun. 30 [cited 2026 Oct. 20];61(61):1-10. Available from: https://wydawnictwo.pan.pl/index.php/jwld/article/view/4916