10 Great Academic Search Engines for Research Students

https://scholar.google.com/ | https://eric.ed.gov/ | http://www.virtuallrc.com/ | http://www.citeulike.org/ | http://jurn.org/  |   http://academic.research.microsoft.com/  | https://www.loc.gov/  |  https://www.refseek.com/  |  http://www.sciencedirect.com/  | https://www.academia.edu/  |  https://www.researchgate.net/