MANEVA, Manya. FACTORS AFFECTING THE PROFESSIONAL DEVELOPMENT AND CONTINUING QUALIFICATION OF TEACHERS OF MATHEMATICS IN BULGARIA. KNOWLEDGE - International Journal , [S. l.], v. 65, n. 2, p. 217–222, 2024. Disponível em: https://ojs.ikm.mk/index.php/kij/article/view/6917. Acesso em: 2 aug. 2026.