Hung, Nguyen Manh, and Hoang Van Hien. “A Preliminary Stury on Ectoparasite Composition of Wild Birds in Ba Be National Park”. <i>Academia Journal of Biology</i> 34, no. 3 (October 2, 2012): 283–287. Accessed November 6, 2025. https://cip.vast.vn/vjbio/article/view/2457.