GLUSHKOVA, T. .; TABAKOVA-KOMSALOVA, V. . AN APPROACH FOR DEVELOPMENT AND APPLICATION OF CPSS- EDUCATIONAL ENVIRONMENTS IN BULGARIAN SCHOOL. Proceedings of CBU in Natural Sciences and ICT, [S. l.], v. 2, p. 20-26, 2021. DOI: 10.12955/pns.v2.148. Disponível em: https://ojs.cbuic.cz/index.php/pns/article/view/148. Acesso em: 6 nov. 2026.