CHANABUN, R., and S. PANHA. “Two New Species of Semi-Aquatic Earthworms Genus Glyphidrilus Horst, 1889 from Malaysia (Oligochaeta: Almidae)”. Tropical Natural History, vol. 15, no. 2, Oct. 2015, pp. 179–189, https://li01.tci-thaijo.org/index.php/tnh/article/view/103081.