link.springer.com
link.springer.com
open.umn.edu
Center for Open Education
https://open.umn.edu › opentextbooks › textbooks › 962
semanticscholar.org
researchgate.net
dl.acm.org
ACM Digital Library
https://dl.acm.org › doi › abs › 10.4018 › IJMBL.2021040105
dl.acm.org
ACM Digital Library
https://dl.acm.org › doi › 10.1145 › 3439133.3439140
link.springer.com
semanticscholar.org
academia.edu
link.springer.com
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