Open Access Scholarly Archive
- » Core (Single gateway to search open access research outputs from repositories and journals worldwide)
- » ArXiv (Oldest and largest preprint archive of Physic, Math, Stat, Comp. Sc. and Quantitative Biology)
- » INSPIREÂ (High Energy Physics)
- » SAO / NASAÂ (Astrophysics Data)
- » BioRxiv (Preprint archive of Biology, Started in 2013 by Cold Spring Harbour Laboratory)
- » Faculty of 1000 biology (Biological Science)
- » Science Central (Centralized Institutional repository harvester of DBT & DST)
- » Chemical Science Repository (Royal Society of Chemistry)
- » PeerJ PrePrints (Preprint archive of Biology)
- » Wolfram Mathworld (Mathematical Science)
- » RePEc (Economics and Development)
- » EconStor (Articles on Economics)
- » NSDL  (National Science Digital Library)
- » OpenDOARÂ (Directory of Open Access repository)
- » ROARÂ (Registry of Open access Repository)
- » Social Science Research Network
- » OALib
- » West Bengal Public Library Network
- » OAIster
- » Bangla - Anwesan
- » Google Book
- » অনà§à¦¬à§‡à¦·à¦£ (Bengali Search Engine)
- » à¦à¦¾à¦·à¦¾à¦ªà§à¦°à¦¯à§à¦•à§à¦¤à¦¿à¦—বেষণাপরিষদ
- » हिंदी समय