Variables

No of Items

Cronbach Alpha

GSCM

28

0.788

Internal Environmental Management

6

0.758

Green Information Systems

5

0.836

Green Purchasing

5

0.901

Cooperation with Customers

5

0.906

Eco-Design & Packaging

4

0.775

Investment Recovery

3

0.911

Environmental-Based Marketing Performance

6

0.865

All Variables

34

0.848