Heaver, R. (1984). Adapting the training and visit system for family planning, health, and nutrition programs. World Bank.
Lua i Stíl Chicago (17ú heag.)Heaver, Richard. Adapting the Training and Visit System for Family Planning, Health, and Nutrition Programs. Washington, D.C: World Bank, 1984.
Lua MLA (9ú heag.)Heaver, Richard. Adapting the Training and Visit System for Family Planning, Health, and Nutrition Programs. World Bank, 1984.
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