Vi no facebook (que curiosamente considera que o link pdfdrive n respeita os seus standards e n pude publicar lá) o seguinte:
Skip Google for
Research
As Google has worked to overtake the
internet, its search algorithm has not just
gotten worse. It has been designed to
prioritize advertisers and popular pages
often times excluding pages and content
that better matches your search terms
As a writer in need of information for my
stories, | find this unacceptable. As a
proponent of availability of information so
the populace can actually educate itself, it is
unforgivable.
Below is a concise list of useful research sites
compiled by Edward Clark over on Facebook.
| was familiar with some, but not all of these.
Google is so powerful that it “hides” other
search systems from us. We just don’t know
the existence of most of them. Meanwhile,
there are still a huge number of excellent
searchers in the world who specialize in
books, science, other smart information.
Keep a list of sites you never heard of.
www.refseek.com - Academic Resource
Search. More than a billion sources:
encyclopedia, monographies, magazines.
www.worldcat.org - a search for the contents
of 20 thousand worldwide libraries. Find out
where lies the nearest rare book you need.
https://link.springer.com - access to more
than 10 million scientific documents: books,
articles, research protocols.
www.bioline.org.br is a library of scientific
bioscience journals published in developing
countries.
http://repec.org - volunteers from 102
countries have collected almost 4 million
publications on economics and related
science.
www.science.gov is an American state
search engine on 2200+ scientific sites.
More than 200 million articles are indexed.
www.pdfdrive.com is the largest website
for free download of books in PDF format.
Claiming over 225 million names.
www.base-search.net is one of the most
powerful researches on academic studies
texts. More than 100 million scientific
documents, 70% of them are free
Text extracted with https://www.i2ocr.com/