Fontanilla, Joan V. Disciplinary strategies of grade 1 teachers in the public elementary schools of San Juan District, Division of La Union / Joan V. Fontanilla. - Osias Educational Foundation, Inc. : [s.n.], 2019. - xix, 68 pages : illustrations ; 29 centimeter. References: pages 56-57. Subjects--Topical Terms: Classroom management. Dewey Class. No.: TH 371.102 F73d 2019