Fatahi, Sajjad, and Seyyed Morteza Hoseini. “Effect of Dietary Tryptophan and Betaine on Tolerance of Caspian Roach (Rutilus Rutilus Caspicus) to Copper Toxicity”. International Journal of Aquatic Biology 1, no. 2 (May 7, 2013): 76–81. Accessed April 29, 2024. http://ij-aquaticbiology.com/index.php/ijab/article/view/29.