TY  - BOOK
AU  - Stephen, M
TI  - Prakritisomrakshanavum silentvaliyum (m)
U1  - 363.7 STE-P 22
PY  - 1980///
CY  - 
PB  - Science & Society Study Group, TVPM
KW  - Environmental problems & services; Social problems & services
ER  -