HLADUN, O. The youth eco-projekt in the framework of the International triennial of the graphics design “The 4th Block". Pedagogy of Higher and Secondary Education, Kryvyi Rih, Ukraine, v. 16, n. 1, p. 106–112, 2006. DOI: 10.31812/educdim.6080. Disponível em: https://journal.kdpu.edu.ua/ped/article/view/6080. Acesso em: 23 nov. 2024.