TEACHER`S OPINIONS AND ATTITUDES REGARDING PRINTED, ELECTRONIC AND DIGITAL TEXTBOOKS. TRAKIA JOURNAL OF SCIENCES, [S. l.], v. 22, n. Supplement 1, p. 6, 2025. DOI: 10.15547/tjs.2024.s.01.015. Disponível em: https://tjs.trakia-uni.bg/index.php/tjs/article/view/86.. Acesso em: 4 apr. 2025.