SAS 9.2 MACRO LANGUAGE: REFERENCE By Sas Institute *Excellent Condition*
SAS 9.2 MACRO LANGUAGE: REFERENCE By Sas Institute *Excellent Condition*.
SAS/GIS 9.2: SPATIAL DATA AND PROCEDURE GUIDE By Sas Institute **Excellent**
SAS/GIS 9.2: SPATIAL DATA AND PROCEDURE GUIDE By Sas Institute *Excellent Condition*.