Sustaining upland development : selected papers / editors Eliseo R. Ponce, Robert C. Salazar, Alma Bella L. Zerrudo. - Manila : De La Salle University Research Center, c1989. - 231 p. : ill. ; 23 cm. Includes bibliographical references. ISBN: 9711180758 Subjects--Topical Terms: Community development LC Class. No.: HN49 / C6N21 1989