KOLODZIEJCZYK-OLCZAK, I. Training institutions as an agent in the market of educational services for older people – chosen aspects in the context of empirical research. Acta Universitatis Lodziensis. Folia Oeconomica, [S. l.], v. 2, n. 312, 2016. Disponível em: https://czasopisma.uni.lodz.pl/foe/article/view/378. Acesso em: 21 may. 2024.