BIEŚ, A. P. Wita Szulc (1941-2021): Zarys biografii naukowej. Studia Paedagogica Ignatiana, [S. l.], v. 24, n. 4, p. 177–188, 2021. DOI: 10.12775/SPI.2021.4.009. Disponível em: https://apcz.umk.pl/SPI/article/view/36594. Acesso em: 27 luty. 2024.