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://archive-journals.rtu.lv/sie/article/view/3240.. Acesso em: 11 mar. 2026.