TY  - BOOK
ED  -  University of Bostwana. 
TI  -  Environmental utilization and conservation / 
U1  -  333.72 UNI 
PY  - 1989///
CY  -  Gaborone : 
PB  -  Department Environmental Science, University of Bostwa na, 
KW  -  Conservation of natural resources
N1  -  Includes bibliographical references
ER  -