Baklayan, Jervy A. Water services of metro San Fernando water District and Primewater infrastructure corporation in La Union / Jervy A. Baklayan. - City of San Fernando, La Union : [s.n.], 2017. - xvii, 214 pages : illustration ; 29 centimeter. Bibliography: pages 142-146. Subjects--Topical Terms: Water corporation. Dewey Class. No.: TH 628.1 B17w 2017