Pang-es, Caroline T. The Implementation of the alternative learning system (ALS) in Alilem-Sugpon District, Division of Ilocos Sur / Caroline T. Pang-es. - Balaoan, La Union : [s.n.], 2016. - ix, 103 pages : illustration ; 29 centimeter. Bibliography: pages 89-91. Subjects--Topical Terms: Alternative learning system. Dewey Class. No.: TH 371.01 P19i 2016