Hackenberg, Robert A. Demographic responses to development: sources of declining fertility in the Philippines Robert A Hackenberg and Henry F. Magalit - Boulder : Westview Press , 1985 - xxxvii, 332p.: ills.; 24 cm. Includes bibliographical references and index. Subjects--Topical Terms: DemographyFertilityPopulationPhilippines Dewey Class. No.: 312 / HAC