TY  - JOUR 
T1  - Detection of change in vegetation cover using multi-spectral and multi-temporal information for district Sargodha, Pakistan
JO  - Sociedade & Natureza
A1  - Ahmad, Farooq
SN  - 1982-4513
UL  - 10.1590/S1982-45132012000300014
VL  - 24 
Y1  - 2012
PB  - Brasil 
ER  -