Nem Singh, Rosario P. The Philippine presidents and other nation builders / Rosario P. Nem Singh - Rev. ed. - Quezon City: ISA-Jecho Publishing, Inc. 2010. - 228 p. ; 21 cm. ISBN: 9716100590 Subjects--Topical Terms: Presidents--Biography--Philippines--Biography--Philippines--History--Philippines Dewey Class. No.: FIL 959.9 Nem34p 2010