IEEE Xplore
https://ieeexplore.ieee.org/Xplore/home.jsp
Directory of Open Access Journal (DOAJ)
Google Scholar
Citeseer
http://citeseer.ist.psu.edu/index
Garda Rujukan Digital (Garuda)
http://garuda.ristekdikti.go.id/
Perpustakaan Nasional Republik Indonesia (Perpusnas)
http://e-resources.perpusnas.go.id/
Sinta
http://sinta2.ristekdikti.go.id/journals