PRASAI, T.; YAMI, K. D.; JOSHI, D. R. Microbial Load on Paper/Polymer Currency and Coins. Nepal Journal of Science and Technology, [S. l.], v. 9, p. 105–109, 2010. DOI: 10.3126/njst.v9i0.3173. Disponível em: https://www.nepjol.info/index.php/NJST/article/view/3173. Acesso em: 18 may. 2024.