Details Details PDF BIBTEX RIS Title Investment attractiveness of natural resources companies and commodity contracts – a comparative analysis for the first half of 2019 and 2020 motivated by the SARS-Cov-2 pandemic Journal title Gospodarka Surowcami Mineralnymi - Mineral Resources Management Yearbook 2020 Volume vol. 36 Issue No 4 Authors Pera, Krystian Keywords financial effectiveness ; rate of return ; shares of natural resources companies ; commodity contracts Divisions of PAS Nauki Techniczne Coverage 75-96 Publisher Komitet Zrównoważonej Gospodarki Surowcami Mineralnymi PAN ; Instytut Gospodarki Surowcami Mineralnymi i Energią PAN Date 2020.12.21 Type Article Identifier DOI: 10.24425/gsm.2020.133944 Source Gospodarka Surowcami Mineralnymi - Mineral Resources Management; 2020; vol. 36; No 4; 75-96