Laberinto, Reynaldo E. Effectiveness of school administrators in their instructional leadership roles : basis for a strategic plan of action / Reynaldo E. Laberinto. - Balaoan, La Union : [s.n.], 2015. - xiv, 113 pages : illustration ; 28 centimeter. Bibliography: pages 99-102. Subjects--Topical Terms: Schools--Administration.Personnel management. Dewey Class. No.: TH 371.2 L12e 2015