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• The once-only principle : The TOOP project2021 https://doi.org/10.1007/978-3-030-79851-2
• PrefaceBellatreche, Ladjel; Chernishev, George; Corral, Antonio; Ouchani, Samir; Vain, JüriAdvances in Model and Data Engineering in the Digitalization Era : MEDI 2021 International Workshops : DETECT, SIAS, CSMML, BIOC, HEDA, Tallinn, Estonia, June 21–23, 2021 : proceedings2021 / p. v-vii https://link.springer.com/content/pdf/bfm:978-3-030-87657-9/1?pdf=chapter%20toc https://www.scopus.com/sourceid/17700155007 https://www.scopus.com/record/display.uri?eid=2-s2.0-85117443149&origin=inward&txGid=b80cd4b99e9759e9dca9695df9d59373