Improving environmental health conditions in low-income settlements : a community-based approach to identifying needs and priorities.
Treść karty:
297,446 IMPROVING Improving environmental health conditions in low-income settlements : a community-based approach to identifying needs and priorities. -Geneva : World Health Organization, 1987. - VII, [1] 61 s. ; 30 cm (WHO Offset Publication, ISSN 0303-7878 ; nr 100- ISBN 92-4-170100-5
