Kowalewska, A., Osińska, M. and Szczepaniak, M. 2023. Institutions in the development of Sub-Saharan African countries in 2004–2019. Ekonomia i Prawo. Economics and Law. 22, 1 (Mar. 2023), 103–125. DOI:https://doi.org/10.12775/EiP.2023.006.