TY  - BOOK
AU  - de By,Rolf A.
AU  - Norkhair Ibrahim
AU  - Zulkepli Majid
TI  - Prinsip sistem maklumat geografi
SN  - 9835202753
PY  - 2002///
CY  - Skudai, Johor
PB  - Penerbit UTM
KW  - Geographic information systems
N1  - Includes glossary and index; Bibliography: p. 211-215
ER  -