PERŁO, Dorota and ARSZUŁOWICZ, Norbert. Model of the impact of intangible resources on the competitiveness of listed companies from the WIGtech index in Poland. Ekonomia i Prawo. Economics and Law. Online. 31 August 2023. Vol. 23, no. 2, p. 251–271. [Accessed 22 March 2025]. DOI 10.12775/EiP.2024.013.