GRINIUK, Marija. UNIVERSAL EDUCATIONAL MATERIAL. EXHIBITION BY PER ISAK JUUSO FOR YOUTH AND CHILDREN. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference, Rezekne, Latvia, v. 2, p. 328–337, 2023. DOI: 10.17770/sie2023vol2.7114. Disponível em: https://journals.rta.lv/index.php/SIE/article/view/7114.. Acesso em: 7 apr. 2025.