Assessment of Microbial and Parasitic Contamination on Currency Notes at Nnamdi Azikiwe University, Awka. Environmental Technology & Science Journal, [S. l.], v. 16, n. 2, p. 58–65, 2026. Disponível em: https://journal.futminna.edu.ng/index.php/etsj/article/view/206.. Acesso em: 19 may. 2026.