Auziņš, A. (2013). Evaluation Methodology of Land Use Efficiency in Land Management (Summary of the doctoral thesis, Riga Technical University).10.4028/www.scientific.net/AMR.804.205
CEC - Commission of the European Communities. (1997). The EU Compendium of Spatial Planning Systems and Policies. Luxembourg: Office for Official Publications of the European Communities. Retrieved from https://publications.europa.eu/lv/publication-detail/-/publication/059fcedf-d453-4d0d-af36-6f7126698556
ESPON. (n. d., a). Comparative Analysis of Territorial Governance and Spatial Planning Systems in Europe. Retrieved November 9, 2017, from https://www.espon.eu/programme/projects/espon-2020/applied-research/comparative-analysis-territorial-governance-and
ESPON. (n. d., b). Comparative Analysis of Territorial Governance and Spatial Planning Systems in Europe. Retrieved November 9, 2017, from https://www.espon.eu/programme/projects/espon-2020/applied-research/comparative-analysis-territorial-governance-and
Fürst, D. (2009). Planning cultures en route to a better comprehension of “planning processes”? In J. Knieling and F. Othengrafen (Eds.), Planning Cultures in Europe: Decoding Cultural Phenomena in Urban and Regional Planning (pp. 23-38). Farnham: Ashgate.
Reimer, M., Getimis, P. & Blotevogel, H. (Eds.). (2014). Spatial Planning Systems and Practices in Europe: A Comparative Perspective on Continuity and Changes. Routledge.10.4324/9781315852577