| Institution: | 1. Department of Economics, University of Perugia, Via, Pascoli, 20, 06123 Perugia, Italy;2. FREN, Belgrade, Serbia;1. Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy, Oddział Karpacki, ul. Skrzatów 1, 31-560 Kraków, Poland;2. Mineral Economy and Energy Research Institute, Polish Academy of Science, ul. Wybickiego 7, 31-261 Kraków, Poland;1. Balsillie School of International Affairs, Waterloo, Canada;2. School of Agricultural Economics & Rural Development, Renmin University of China, Beijing, China;3. Business School, Guangxi University for Nationalities, Nanning, China |
