Bacani, Rio R. Security practice of Urdaneta City University / Rio R. Bacani. - City of San Fernando, La Union : [s.n.], 2018. - xii, 111 pages : illustration ; 28 centimeter. Bibliography: pages 80-88. Subjects--Topical Terms: Security services. Dewey Class. No.: TH 363.289 B12s 2018