BAŁAŻAK, M. Filozofia Kaizen w pracy nauczyciela. Journal of Education, Technology and Computer Science, [S. l.], n. 1, p. 271–276, 2011. DOI: 2080-9069. Disponível em: https://journals.ur.edu.pl/jetacomps/article/view/7054. Acesso em: 22 lip. 2024.