TY  - BOOK
AU  - Pitambaran, K
AU  - 
TI  - Pothujanarogyam
U1  - 613=M 
PY  - 0000///
CY  - Kottayam
PB  - N B S
KW  - Health
KW  - Hygiene
KW  - Public health
KW  - Environmental health
KW  - Pollution
ER  -