TY  - BOOK
AU  - Perdigon, Grace Portugal
AU  - Claudio, Virginia Serraon; Chavez, Libia De Lima
TI  - Food, water and enviromental sanitation and safety : : for the hospitality industry and institutions 
SN  - 971-30-1269-0
AV  - 363.7296 P41f 
PY  - 2006///
CY  - Manila
PB  - Merriam & Webster Bookstore
N1  - Includes index
ER  -