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