Sabado, Marlon O. Instructional leadership of elementary school administrators in school district division of La Union / Marlon O. Sabado. - Osias Educational Foundation, Inc. : [s.n.], 2017. - xv, 88 pages : illustration ; 28 centimeter. Bibliography: pages 74-77. Subjects--Topical Terms: School administrators.Educational leadership. Dewey Class. No.: TH 372.1201 Sa6i 2017