Engineering the human soul: bulgarian children`s and young adult science fiction in the 20th century. Research Announcements "Heritage BG", [S. l.], n. 4, p. 58–63, 2025. DOI: 10.58894/AR-HBg.2023.4.58-63. Disponível em: https://periodicals.uni-sofia.bg/index.php/AR-NBg/article/view/1346. Acesso em: 10 mar. 2026.