Chemistry

PNAS - Proceedings of the National Academy of Sciences of the United States of America

Wiley Online Library

Number of E-Books: 
21000+
Number of E-Journals: 
1600+

ARDI

Number of E-Books: 
20307
Number of E-Journals: 
7541

Bentham Open

Number of E-Journals: 
58

ScienceDirect

Number of E-Journals: 
613

PMC - PubMed Central

Number of E-Journals: 
4101

Indian Open Access Journals

Number of E-Journals: 
563

DOAB - Directory of Open Access Books

Number of E-Books: 
17250+

DOAJ - Directory of Open Access Journals

Number of E-Journals: 
9440

Bangladesh Journals Online

Number of E-Journals: 
139

Pages