Kattel, R., Cepilovs, A., Lember, V., Tõnurist, P. Indicators for public sector innovations : theoretical frameworks and practical applications // Administrative culture = Halduskultuur = Административная культура = Verwaltungskultur = Hallintokulttuuri. Vol. 19, no. 1. [Tallinn] : Ragnar Nurkse School of Innovation and Governance, Tallinn University of Technology, 2018. p. 77-104 : tab. (Administrative culture = Halduskultuur = Административная культура = Verwaltungskultur = Hallintokulttuuri; vol. 19, no. 1). https://doi.org/10.32994/ac.v19i1.208 https://halduskultuur.eu/journal/index.php/HKAC/article/view/208