Como encontrar artigos em acesso aberto | Blog da BC

From Google Translate: "The following table shows the different services analyzed by Aaron Tay in several posts (the links are listed at the end of the post) with some comments and evaluations of mine (which I consider a little old to be a nerd!). More below in this post we will show examples of the two pluginsthat seem to us more efficient - that is: they are the ones I use - but it would be a good exercise for you to do your tests yourself."