Actina G., Zeltins N., & Geipele I. (2014). Recommendations on implementation of governmental energy and energy efficiency policy planning and managing institutions at regional level in Latvia, Proceedings of WEC Central & Eastern Europe regional energy forum (FOREN 2014), 22–26 June 2014, Palace of the Parliament, Bucharest, Romania, 201–211.
Actiņa, G., & Geipele, S. (2016). Management of Energy Efficient Processes in Residential and Public Buildings at Regional Level: a Case Study of Latvia, Proceedings of the 2016 International Conference on Industrial Engineering and Operations Management, Malaysia, Kuala Lumpur, 8–10 March, Kuala Lumpur: IEOM Society, 1330–1338.
Akermanis A., Zebergs V., Zeltins N., Actina G., & Odineca T. (2012). Situation with Heat Supply in Latvia: Current Problems and Search of Their Solution. FOREN2012: The Role of Governments, International Organizations and NGOs in addressing it. The Energy Trilemma. Overlook on Strategic Programs at European and Regional Level, Mesagerul energetics, Buletin informative al Comitetului National Roman al Consiliului Mondial al Energiei, ANUL XII, 131, 5–8.
Geipele, S., Geipele, I., Slava, D., & Stāmure, I. (2012). Social, Economic and Legal Problems of Housing Management in Latvia. In: The 7th International Scientific Conference “Business and Management 2012”, Lithuania, Vilnius, 10–11 May, 2012, Vilnius Gediminas Technical University, 1–1. https://doi.org/10.3846/bm.2012.08210.3846/bm.2012.082
Hernandez, P., Burke, K., Lewis, & Owen J. O. (2008). Development of energy performance benchmarks and building energy ratings for non-domestic buildings: An example for Irish primary schools, Energy and Building, 40(3), 249–254. https://doi.org/10.1016/j.enbuild.2007.02.02010.1016/j.enbuild.2007.02.020
Pelz, W. (2012). Strategisches und operatives marketing, ein leitfaden zur erstellung eines professionellen marketing-plans, Norderstedt 2004, (2. Auflage 2012 i.V.). (in German)
Petrov B., Puikevica-Puikevska I., & Zeltinsh N. (2002). Program of energy audit for residential buildings, The Ninth International Conference on Indoor Air Quality and Climate “Indoor Air 2002” (CD), Monterey, California, USA, 6 p.
Vrubļevskis, V., Zēbergs, N. Zeltiņš, I., & Puikevica-Puikevska I. (2007). Additional energy saving in a building with improved insulation, Latvian Journal of Physics and Technical Sciences, 2, 32–40.
Zeltins N., Actina G., Zebergs V., Vrublevskis V., & Odineca T. (2014). Impact of the thermal inertia of buildings upon the selection criteria of the energy efficiency measures, saved energy and its cost, Proceedings of 14th IAEE European Energy Conference Sustainable Energy Policy and Strategies for Europe, Rome, Italy, October 26–31, 2014, CD version.