Indices and Websites for academic searchs

https://academic.microsoft.com/

http://scholar.google.com

http://www.oclc.org/oaister.en.html

http://paperity.org/

http://science.gov/

https://catalog.data.gov/dataset?groups=research9385&page=2

https://www.scopus.com/

http://webofknowledge.com/

http://www.bioone.org/search/

http://cedb.asce.org/CEDBsearch/

https://doaj.org/

https://www.base-search.net/

https://app.dimensions.ai/discover/publication

https://www.jstor.org/

https://tandfonline.com/

https://link.springer.com/

https://core.ac.uk/

https://www.ncbi.nlm.nih.gov/pubmed/

http://library.metu.edu.tr

http://dergipark.gov.tr

Thesis

http://search.proquest.com

http://tez.yok.gov.tr

Agriculture

http://agricola.nal.usda.gov/

https://pubag.nal.usda.gov

http://agris.fao.org/

Forums/Questions

https://academia.stackexchange.com/

http://researchgate.com

http://ladlab.ogem.metu.edu.tr