Free-driven web-based business models
Crossref DOI link: https://doi.org/10.1007/s10660-019-09374-3
Published Online: 2019-09-05
Published Print: 2021-06
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Battistella, Cinzia
Murgia, Gianluca
Nonino, Fabio
Text and Data Mining valid from 2019-09-05
Version of Record valid from 2019-09-05
Article History
First Online: 5 September 2019