Main group 1

• Smil, Vaclav, Energy transitions: global and national perspectives, Second edition., Santa Barbara, California, Praeger, an imprint of ABC-CLIO, LLC, [2017]
• Glenn, Jerome Clayton; Gordon, Theodore J., Futures research methodology v2.0 [electronic resource], Version 2.0., Washington, DC, American Council for the United Nations University, The Millennium Project, 2003
• Gidley, Jennifer M., The future: a very short introduction, Oxford, UK, Oxford University Press, 2017
• Kuosa, Tuomo, Evolution of futures studies, Elsevier, 2011, https://doi.org/10.1016/j.futures.2010.04.001