TY  - BOOK
ED  - World Health Organization
TI  - world directory of schools for auxiliary sanitarians: répertoire mondial des écoles d'agents d'assainissement 
SN  - 92-4-050005-7
U1  - 614.7'07 
PY  - 1978///
CY  - Geneva, Swi.
PB  - WHO
KW  - Ingenieria Sanitaria
KW  - Educación
KW  - Personal de Salud
KW  - Sanitaria
ER  -