Google Scholar
https://scholar.google.ae/
Google Books
https://books.google.com/?hl=en
Microsoft Academic
https://academic.microsoft.com
WorldWideScience
https://worldwidescience.org
Office of Science and Technical Information
https://www.science.gov
Wolfram Alpha
http://www.wolframalpha.com
Refseek
https://www.refseek.com
Educational Resources Information Center (ERIC)
https://eric.ed.gov
Virtual Learning Resources Center
http://www.virtuallrc.com
Base
https://www.base-search.net
Lexis Web
https://www.lexisweb.com
Infotopia
http://www.infotopia.info/index_aurora_backyard_heden.html
iSeek
http://education.iseek.com/iseek/home.page
Research Gate
https://www.researchgate.net/search
Ideas
Links to Journals
http://esldrive.com/research/linkstojournals.php
Reseach Ideas
http://esldrive.com/research/researchideas.php
Ask
www.ask.com
Hypothesis
How to Make a Hypothesis Statement
https://classroom.synonym.com/make-hypothesis-statement-7150487.html
Variables
Variables in Political Science
https://classroom.synonym.com/identify-independent-dependent-variables-study-political-science-2547.html
Independent Variables in Survey Methods
https://classroom.synonym.com/independent-variables-survey-methods-8682834.html
