mdpi is a publisher of peer-reviewed, open access journals since its establishment in 1996.

scientific research publishing is an academic publisher with more than 200 open access journal in the areas of science, technology and medicine. it also publishes academic books and conference proceedings.

access 160+ million publications and connect with 25+ million researchers. join for free and gain visibility by uploading your research.

maximizing the impact of research through openness. because science works best when research is open.

semantic scholar uses groundbreaking ai and engineering to understand the semantics of scientific literature to help scholars discover relevant research.

sci-hub website. get free access to academic journals. download research papers for free from sciencedirect, ieee, wiley, springer, nature and others

the world’s largest collection of open access research papers

scientific & academic publishing: an open-access publisher of journals covering a wide range of academic disciplines,provides publishing serves the world's research and scholarly communities

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