1. Child spacing methods in Malawi: Njira zothandiza kulera m'Malawi Publication: Malawi : Ministry of Health, Health Education Section, [19--] Subject(s): Family Planning ServicesContraceptionBirth Intervals
2. A family question Publication: Produced: Bangkok : Ministry of Public Health, Royal Thai Government, 1971 Subject(s): Family Planning ServicesContraceptionFamily CharacteristicsBirth IntervalsSocioeconomic FactorsThailand