Community Health – Its Needs and Resources John D. Porterfield

Autor:	Blackwell, F. Oris
Zdroj:	Journal of Environmental Health, 1968 May 01. 30(6), 623-624.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/26327266 Zobrazit plný text záznamu