Demographic and Health Surveys Program & Philippines. National Statistics Office. (1994). Philippines national safe motherhood survey, 1993. National Statistics Office.
Chicago-viite (17. p.)Demographic and Health Surveys Program ja Philippines. National Statistics Office. Philippines National Safe Motherhood Survey, 1993. Manila: National Statistics Office, 1994.
MLA-viite (9. p.)Demographic and Health Surveys Program ja Philippines. National Statistics Office. Philippines National Safe Motherhood Survey, 1993. National Statistics Office, 1994.
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