Berg, A. (1989). A case for promoting breastfeeding in projects to limit fertility. World Bank.
Chicago-viite (17. p.)Berg, Alan. A Case for Promoting Breastfeeding in Projects to Limit Fertility. Washington: World Bank, 1989.
MLA-viite (9. p.)Berg, Alan. A Case for Promoting Breastfeeding in Projects to Limit Fertility. World Bank, 1989.
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