TY  - BOOK
AU  - Tolba, Mostafa Kamal.
TI  - Saving our planet : challenges and hopes
AV  - GF 75  .T65 
PY  - 1992///
CY  - London ; 
PB  - New York : Chapman & Hall, 
KW  - Nature
KW  - Effect of human beings on.
KW  - Economic development--Environmental aspects
KW  - Human ecology.
KW  - Environmental policy
ER  -