GEORGIEVA, M. ON THE CULTURAL AND HISTORICAL HERITAGE OF SHUMEN FROM THE XIX CENTURY AND ON THE ECONOMIC AND TECHNOLOGICAL INNOVATIONS IN THE CITY: ON THE CULTURAL AND HISTORICAL HERITAGE OF SHUMEN FROM THE XIX CENTURY AND ON THE ECONOMIC AND TECHNOLOGICAL INNOVATIONS IN THE CITY. JOURNAL SCIENTIFIC AND APPLIED RESEARCH, [S. l.], v. 25, n. 1, p. 5–14, 2023. DOI: 10.46687/jsar.v25i1.376. Disponível em: https://jsar.ftn.shu.bg/index.php/jsar/article/view/376. Acesso em: 19 may. 2024.