Tung, Nguyen Thanh. “Descriptions of Two New Species of Earthworm of the Genus Pheretima Kinberg, 1867 (Oligochaeta: Megascolecidae) from Mekong Delta - Vietnam”. Academia Journal of Biology 33, no. 1 (May 9, 2012): 24–29. Accessed November 22, 2024. https://vjs.ac.vn/index.php/vjbio/article/view/730.