Index
- BASE (Bielefeld Academic Search Engine)
- Berkeley Library
- CAS (American Chemical Society)
- Civil Engineering Abstracts
- CNKI Scholar
- CrossRef
- Excellence in Research for Australia (ERA)
- Google Scholar
- Library and Archives Canada
- LOCKSS
- Mendeley
- NewJour
- Norwegian Centre for Research Data (NSD)
- Open J-Gate
- PKP Open Archives Harvester
- Semantic Scholar
- SHERPA/RoMEO
- Southwest-German Union Catalogue
- Ulrich's
- Universe Digital Library
- WorldCat
Contact
- William ChenEditorial Assistant
- apr@ccsenet.org