Hackenberg, Robert A. Demographic responses to development : sources of declining fertility in the Philippines / Robert A. Hackenberg and Henry F. Magalit. - Boulder, Colo. : Westview Press, c1985. - xxxvii, 332 p. : 0 ISBN: 0865319308 (pbk. : alk. paper) : Subjects--Topical Terms: Fertility, Human---Philippines.---- Dewey Class. No.: 304.63209599 / De