DENYSIUK, Vasyl, and Anatolii SHVAB. “SANITARY AND EPIDEMIOLOGICAL CONDITION OF FRONTLINE CITIES OF VOLHYN PROVINCE IN 1914 – 1918”. EAST EUROPEAN HISTORICAL BULLETIN, no. 37 (December 26, 2025): 50–61. Accessed April 10, 2026. https://eehb.dspu.edu.ua/article/view/346045.