TY  - BOOK
ED  - Philippines. 
TI  - Implementing rules and regulations (IRR) on chapter VII (Industrial Hygiene) of the sanitation code of the Philippines, P.D. 856 amending administrative order no. 111 s. 1991
PY  - 1999///]
CY  - Manila
PB  - DOH
KW  - Occupational Health
KW  -  legislation and jurisprudence
KW  - Industrial Health
KW  - Industrial Hygiene
KW  - Occupational Safety
KW  - IRR
ER  -