Katarzyna ŚWIERSZCZ, Bogdan GRENDA, Tadeusz SZCZUREK and Bin CHEN “The Importance of Geothermal Energy in Energy Security: Towards Counteracting Energy Poverty of Households,” Proceedings of the 33rd International Business Information Management Association (IBIMA), ISBN: 978-0-9998551-2-6, 10-11 April 2019, Granada, Spain, p 771-781.
Piotr Maśloch and Joanna Nowakowska-Grunt, “The Global Challenges of the 21st Century – Dysfunctional States and EU Security Problems (Selected Problems),” Proceedings of the 33rd International Business Information Management Association (IBIMA), ISBN: 978-0-9998551-2-6, 10-11 April 2019, Granada, Spain, p.3307-3315.
Joanna NOWAKOWSKA-GRUNT and Tomasz JAŁOWIEC, “Dynamic Management and Logistics Aspects of the Entities Activity of Industrial Defense Potential in Poland,” Proceedings of the 33rd International Business Information Management Association (IBIMA), ISBN: 978-0-9998551-2-6, 10-11 April 2019, Granada, Spain, p.4873-4882.