VELEVA, Ralitsa. APPLICATION OF THE INTERNATIONAL STANDARD CLASSIFICATION OF EDUCATION IN THE EDUCATIONAL SYSTEM (IN CASE OF BULGARIA). KNOWLEDGE - International Journal , [S. l.], v. 50, n. 1, p. 107–112, 2022. Disponível em: https://ojs.ikm.mk/index.php/kij/article/view/4916. Acesso em: 24 jun. 2026.