Lutege, Benezeth M., et al. “Identification of Plague Hosts and Vectors in Lushoto District of Tanzania”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 24, no. 3, Sept. 2015, pp. 145-52, https://www.gssrr.org/JournalOfBasicAndApplied/article/view/4701.