BALCEREK, Helena. From Polish Education Project to Pro-Ecological Project in an Integrated-Learning Classroom in Primary School (a Project Description). Paidia and Literature, [S. l.], n. 4, p. 1–12, 2022. DOI: 10.31261/PiL.2022.04.08. Disponível em: https://journals.us.edu.pl/index.php/pl/article/view/13391. Acesso em: 9 nov. 2026.