Buscadores na Web

Acabo de ver um pequeno texto que relaciona diversos buscadores na Web. Eles estão voltados para áreas específicas e podem ser boas fontes para que a gente encontre artigos, papers e livros de interesse. Copio o dito texto.

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

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