Quang, Dinh, Tran Thanh Lam, & Nguyen Thi Kieu Tien. " The Relative Gut Length and Gastro-Somatic Indices of the Mudskipper Periophthalmodon septemradiatus (Hamilton, 1822) from the Hau River." VNU Journal of Science: Natural Sciences and Technology [Online], 34.3 (2018): n. pag. Web. 26 Apr. 2024