Evaluation of Environmental Health Services in the European Region,
WHO, 1996, 5 p..
.
Evaluation of Environmental Health Services in the European Region.
Geneva: WHO, 1996, 5 p..
(1996)
Evaluation of Environmental Health Services in the European Region,
Geneva: WHO, 5 p.
(1996).
Evaluation of Environmental Health Services in the European Region. Report on a WHO Working Group. Istanbul, Turkey 27-29 June 1996. Geneva: WHO, 5 p..