1. ACM Digital Library

2. EBSCOhost Business Source Complete

3. Emerald

4. IEEE/IET Electronic Library (IEL) via IEEE Xplore® Digital Library

5. IOPScience

6. Passport

7. ProQuest Central

8. ProQuest Ebook Central

9. PsycARTICLES

10. ScienceDirect Freedom Collection via ScienceDirect

11. Scopus

12. Springer Journal Collection via SpringerLink

13. Cengage Learning eTextbooks