quizlet.com
quizlet.com
pmc.ncbi.nlm.nih.gov
pmc.ncbi.nlm.nih.gov
https://pmc.ncbi.nlm.nih.gov › articles › PMC3587461
sciencedirect.com
asistdl.onlinelibrary.wiley.com
ASIS&T Digital Library
https://asistdl.onlinelibrary.wiley.com › doi › full › 10.1002 › meet.2009.14504603122
scalingsynthesis.com
atlantis-press.com
scalingsynthesis.com
dl.acm.org
ACM Digital Library
https://dl.acm.org › doi › 10.5555 › 1672983.1673003
link.springer.com
anagora.org
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