Development prospects of the oil shale industry under conditions of renewable and low-carbon energy policy = Põlevkivitööstuse arenguperspektiivid taastuvenergia ja madala süsinikuheitmega tehnoloogia arendamise poliitika tingimustesPulkkinen, Svetlana2019 https://digi.lib.ttu.ee/i/?12019 Evaluation of investments profitability in conventional power generation sector in EstoniaPulkkinen, Svetlana2015 12th International Conference on the European Energy Market (EEM) : Lisbon, 19-22 May 2015, Portugal2015 / [5] p. : ill http://dx.doi.org/10.1109/EEM.2015.7216768 Investments in the shale oil industry under risk and uncertaintyPulkkinen, Svetlana; Valtin, JuhanPrzeglad elektrotechniczny = Electrical review2018 / p. 1-5 : ill https://doi.org/10.15199/48.2018.12.01 http://pe.org.pl/articles/2018/12/1.pdf Journal metrics at Scopus Article at Scopus Power and frequency control principles of different European synchronous areasPulkkinen, Svetlana; Attikas, Raivo11th International Symposium "Topical Problems in the Field of Electrical and Power Engineering." Doctoral School of Energy and Geotechnology II : Pärnu, Estonia, January 16-21, 20122012 / p. 200-204