Updates are available Correction dated 2017-04-27

Click to view Correction: https://doi.org/10.1186/s40669-017-0006-x

What is frugal innovation? Three defining criteria

Crossref DOI link: https://doi.org/10.1186/s40669-016-0005-y

Published Online: 2016-12-27

Published Print: 2017-01

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