TY  - BOOK
ED  - World Health Organization
TI  - Guidelines for Drinking Water Quality 3
SN  - 09241541709
U1  - 628.162 
PY  - 1984///
CY  - Geneva : 
PB  - World Health Organization, 
KW  - Drinking Water
N1  - NN; v. 3. Drinking Water Quality Control in Small Community Supplies.
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/0-924-154170-9.pdf
ER  -