TY  - BOOK
T1  - Essentials of environmental health
T2  - Essential public health
A1  - Friis, Robert H.
LA  - English
PP  - Sudbury, MA
PB  - Jones and Barlett Pub.
YR  - 2007
UL  - https://tuklas.up.edu.ph/Record/UP-1685523046125442201
OP  - 390
CN  - RA 565 F75 2007
SN  - 0763747629
KW  - Environmental health.
ER  -