TY  - BOOK
AU  - Tefera,Bezuayehu
TI  - Nature and causes of land degradation in the Oromiya region: a review 
SN  - 9291461039 :
PY  - 2002///
CY  - Nairobi
PB  - ILRI
KW  - Soil degradation
KW  - Oromiyakelel, Ethiopia
KW  - Soil erosion
ER  -