TY  - BOOK
AU  - Sy, Manuel C.
AU  - Wei, Anny C. 
TI  - Community hygiene / 
U1  - FIL 614 Sy1c 1974  
PY  - 1974///
CY  - Manila
PB  - Merriam School & Office Supplies Co., 
KW  - Hygiene
N1  - Includes index
ER  -