A. Cordella, E-government: towards the e-bureaucratic form?, Journal of Information Technology, vol.8, issue.2, pp.265-274, 2007.
DOI : 10.1109/HICSS.2001.926520

M. Op-'t-land, E. Proper, M. Waage, J. Cloo, and C. Steghuis, Enterprise architecture : creating value by informed governance, 2009.

M. Lankhorst and G. Bayens, A Service-Oriented Reference Architecture for E-Government Advances in Government Enterprise Architecture: IGI Global, Hershey, pp.30-55, 2009.

K. Hjort-madsen and J. Burkard, When enterprise architecture meets government: an institutional case study analysis, Journal of Enterprise Architecture, vol.2, issue.1, pp.11-25, 2006.

P. Saha, Advances in government enterprise architecture, 2009.
DOI : 10.4018/978-1-60566-068-4

F. Ahlemann, E. Stettiner, M. Messerschmidt, and C. Legner, Strategic enterprise architecture management: challenges, best practices, and future developments, 2012.
DOI : 10.1007/978-3-642-24223-6

G. Doucet, J. Gøtze, P. Saha, and S. Bernard, Coherency management: Architecting the enterprise for alignment, agility and assurance. AuthorHouse, 2009.

S. Bernard, An introduction to enterprise architecture, 2012.

C. Strano and Q. Rehmani, The profession of enterprise architect, Journal of Enterprise Architecture, vol.1, issue.1, pp.7-15, 2005.

J. Zachman, Enterprise Architecture, Database Programming and Design, vol.10, issue.3, pp.44-53, 1997.
DOI : 10.1201/9781420082821.sec3

S. Leist and G. Zellner, Evaluation of current architecture frameworks, Proceedings of the 2006 ACM symposium on Applied computing , SAC '06, 2006.
DOI : 10.1145/1141277.1141635

J. Armour, S. Kaisler, and S. Liu, Building an enterprise architecture step by step, IT Professional, vol.1, issue.4, pp.31-39, 1999.
DOI : 10.1109/6294.781623

S. Brinkkemper, K. Lyytinen, and R. Welke, Method engineering : principles of method construction and tool support, Proc. of the IFIP TC8, WG8.1/8.2 Working Conference on Method Engineering, 1996.
DOI : 10.1007/978-0-387-35080-6

M. Leppänen, An ontological framework and a methodical skeleton for method engineering: A contextual approach, 2005.

A. Hirvonen and M. Pulkkinen, Selection criteria for enterprise architecture methods, Proc. of European conference on information management and evaluation, 2007.

J. Lapalme, Three Schools of Thought on Enterprise Architecture, IT Professional, vol.14, issue.6, pp.37-43, 2012.
DOI : 10.1109/MITP.2011.109

J. Ross, P. Weill, and D. Robertson, Enterprise architecture as strategy: Creating a foundation for business execution, 2006.

P. Bernus, L. Nemes, and G. Schmidt, Handbook on enterprise architecture, 2012.
DOI : 10.1007/978-3-540-24744-9

P. Christiansen and J. Gøtze, Trends in Governmental Enterprise Architecture: 9 Reviewing National EA Programs ? Part 1, Journal of Enterprise Architecture?February, vol.3, issue.1, p.9, 2007.

T. Graves, Enterprise architecture: A pocket guide, 2009.

M. Lankhorst, Enterprise Architecture at Work: Modeling, Communication and Analysis, 2009.
DOI : 10.1007/978-3-642-01310-2

URL : https://link.springer.com/content/pdf/bfm%3A978-3-642-01310-2%2F1.pdf

M. Sein, O. Henfridsson, S. Purao, M. Rossi, and R. Lindgren, Action Design Research, MIS Quarterly, vol.35, issue.1, pp.37-56, 2011.
DOI : 10.2307/23043488

. Valtonen, Government Enterprise Architecture Grid Adaptation in Finland. System Sciences, HICSS '09. 42nd Hawaii International Conference on, 2009.

S. Bente, U. Bombosch, and S. Langade, Collaborative enterprise architecture: enriching EA with lean, agile, and enterprise 2.0 practices. : Newnes, 2012.

O. Whitehouse, Federal Enterprise Architecture Framework, Version 2, 2013.

S. Kotusev, S. Mohini, and I. Storey, Consolidating Enterprise Architecture Management Research, 2015 48th Hawaii International Conference on System Sciences, 2015.
DOI : 10.1109/HICSS.2015.489

M. Pulkkinen, Systemic Management of Architectural Decisions in Enterprise Architecture Planning. Four Dimensions and Three Abstraction Levels, Proceedings of the 39th Annual Hawaii International Conference on System Sciences (HICSS'06), 2006.
DOI : 10.1109/HICSS.2006.447

I. Force, GERAM: Generalised enterprise reference architecture and methodology. IFIP-IFAC Task Force on Architectures for Enterprise Integration, Version, vol.1, issue.3, 1999.

R. Winter and R. Fischer, Essential Layers, Artifacts, and Dependencies of Enterprise Architecture, 2006 10th IEEE International Enterprise Distributed Object Computing Conference Workshops (EDOCW'06), 2007.
DOI : 10.1109/EDOCW.2006.33

D. Simon, K. Fischbach, and D. Schoder, An exploration of enterprise architecture research. Communications of the Association for, Information Systems, vol.32, issue.1, pp.1-72, 2013.

M. Pulkkinen, Enterprise architecture as a collaboration tool : discursive process for enterprise architecture management, planning and development, 2008.

D. Simon, K. Fischbach, and D. Schoder, Enterprise architecture management and its role in corporate strategic management, Information Systems and e-Business Management, vol.50, issue.3, pp.5-42, 2014.
DOI : 10.1007/978-3-642-56048-4_4

S. Spewak and S. Hill, Enterprise architecture planning: developing a blueprint for data, applications and technology, 1992.

D. Mayo and M. Tiemann, EA: IT's not just for IT anymore, Journal of Enterprise Architecture, vol.1, issue.1, pp.36-44, 2005.

C. Perks and T. Beveridge, Guide to enterprise IT architecture, 2007.
DOI : 10.1007/b98880

J. Hoogervorst and J. Dietz, Enterprise architecture in enterprise engineering, Enterprise Modeling and Information Systems Architectures, vol.3, issue.1, pp.3-13, 2015.

S. Buckl, A. Ernst, J. Lankes, and F. Matthes, Enterprise Architecture Management Pattern Catalog, 2008.

. Population-register-centre, Suomi.fi ? at your service Available at: https://www.suomi.fi/frontpage, 2017.

K. Valtonen and M. Leppänen, Business Architecture Development at Public Administration? Insights from Government EA Method Engineering Project in Finland Information Systems Development, pp.765-774, 2009.

M. Levin-rozalis, Using Abductive Research Logic to Construct a Rigorous Explanation of Amorphous Evaluation Findings, Journal of multidisciplinary evaluation, vol.6, issue.13, pp.1-14, 2009.

. Valtonen, EA As a Tool in Change and Coherency Management - A Case of a Local Government, 2010 43rd Hawaii International Conference on System Sciences, 2010.
DOI : 10.1109/HICSS.2010.166

. Valtonen, Enterprise Architecture Descriptions for Enhancing Local Government Transformation and Coherency Management: Case Study, 2011 IEEE 15th International Enterprise Distributed Object Computing Conference Workshops, 2011.
DOI : 10.1109/EDOCW.2011.39

H. Mintzberg, The fall and rise of strategic planning, Harv Bus Rev, vol.72, issue.1, pp.107-114, 1994.

K. City, Ratsu Information System for strategic planning Available at Avoindata.fi, 2014.