Research platforms
ResearchGate: https://www.researchgate.net
Academia.edu: https://www.academia.edu
Mendeley: https://www.mendeley.com
EarthArXiv: https://eartharxiv.org
Elsevier: https://www.elsevier.com
Springer Nature: https://www.springernature.com
SCIRP: https://www.scirp.org
NGWA: https://ngwa.onlinelibrary.wiley.com