Bengson, Ann Margreat F. Work ethics of teachers in the private elementary schools / Ann Margreat F. Bengson. - Polytechnic College of La Union : [s.n.], 2020. - xii, 113 pages : illustrations : 28 centimeter Bibliography: pages 91-94. Subjects--Topical Terms: Work ethics. Dewey Class. No.: TH 372.11 B43w 2020