The design of the Estonian governmental document exchange classification frameworkDraheim, Dirk; Koosapoeg, Kaarel; Lauk, Mihkel; Pappel, Ingrid; Pappel, Ingmar; Tepandi, JaakElectronic Government and the Information Systems Perspective : 5th International Conference, EGOVIS 2016, Porto, Portugal, September 5-8, 2016 : proceedings2016 / p. 33-47 : ill http://link.springer.com/chapter/10.1007/978-3-319-44159-7_3 http://www.ester.ee/record=b4645628*est