1. Metodo para Juan y Maria Publication: Washington, D.C. : George Washington University Airlie Center, 1977 Subject(s): ContraceptionFamily Planning ServicesFamily CharacteristicsEl Salvador
2. Para cambiar su vida Publication: Airlie, Va. : George Washington University Airlie Center, 1977 Subject(s): ContraceptionFamily Planning ServicesCondomsVasectomyFarmersEl SalvadorAsociación Demográfica Salvadoreña.
