KHANTHONG, Preecha. The Applicationofthe Quality Management System of ISO 9001: 2008 in the Improvement of the Water Suppliy Services of Municipal Waterworks Authority of Tak Fah Subdistrict Municipality, Nakhornsawan Province. Naresuan University Journal: Science and Technology (NUJST), [S.l.], v. 22, n. 3, p. 110-124, oct. 2019. ISSN 2539-553X. Available at: <>. Date accessed: 03 aug. 2020.