CHRONOWSKI, A.; KLAKLA, M.; POWĄZKA, Z.; ŻABOWSKI, J. Professor Bogdan Jan Nowecki in memory. Annales Universitatis Paedagogicae Cracoviensis | Studia ad Didacticam Mathematicae Pertinentia, [S. l.], v. 12, p. 261–264, 2020. DOI: 10.24917/20809751.12.13. Disponível em: https://didacticammath.uken.krakow.pl/article/view/8418. Acesso em: 29 apr. 2024.