COOPER, JR., Henry R. The Slovene Textbook Project. Slovene Studies Journal, [S. l.], n. 1, p. 67, 1978. DOI: 10.7152/ssj.v0i1.3437. Disponível em: https://journals.lib.washington.edu/index.php/ssj/article/view/3437. Acesso em: 15 may. 2026.