Paragas, Teodoro D. Management of San Fabian river irrigation system : basis for an action plan / Teodoro D. Paragas. - Dagupan City : [s.n.], 2013. - xiv, 114 pages : illustration ; 28 centimeter. Bibliography: pages 86-87. Subjects--Topical Terms: Irrigation. Dewey Class. No.: TH 627 P21m 2013