KUZMANOVA, Veselina. Bilinguale Erziehung: ja oder nein?. Списание „Германистика и скандинавистика“ / Journal for German and Scandinavian Studies, [S. l.], n. 1, p. 174–186, 2021. Disponível em: https://periodicals.uni-sofia.bg/index.php/gsc/article/view/3431. Acesso em: 9 фев. 2026.