Communication Engineering

APS - American Physical Society

Number of E-Journals: 
20

IEEE Xplore Digital Library

Number of E-Journals: 
22100+ (ASPP and POP ALL collection, Journal & Proceedings)

DOAJ - Directory of Open Access Journals

Number of E-Journals: 
19000+

Oxford Journals

Number of E-Journals: 
360+

Free Tech Books