FRANKOWSKA, Agata, ŁĘCKA, Izabella and FRANKOWSKI, Jan. Capacities of African-oriented Polish NGOs: a quantitative approach. Bulletin of Geography. Socio-economic Series. Online. 4 June 2019. No. 44, pp. 23-38. [Accessed 9 July 2025]. DOI 10.2478/bog-2019-0012.