Kim Hoi, Huynh Thi, and Nguyen Van Thuan. “A New Species of the Earthworm Genus Pheretima Kinberg, 1867 (Megascolecidae: Oligochaeta) from Vietnam”. <i>Academia Journal of Biology</i> 27, no. 2 (November 11, 2014): 25–26. Accessed November 6, 2025. https://cip.vast.vn/vjbio/article/view/5257.