Bilbao, Purita P., Curriculum development / Purita P. Bilbao, Paz I. Lucido, Tomasa C. Iringan, Rodrigo B. Javier. - Quezon City, Philippines : Lorimar Publishing, Inc., 2008. - vii, 222 pages : figures ; 25 cm. Includes appendices. ISBN: 9716856873 Dewey Class. No.: 375.001 / C976