Kriangkrai Thongsarn, Wanchai Worawattanamateekul, Suriyan Tunkijjanukij, Choosri Sribhen, and Apassara Choothesa. 2006. “Biochemical Properties of Nile Tilapia (Oreochromis niloticus) Hemoglobin”. Agriculture and Natural Resources 40 (1). Bangkok, Thailand:69-73. https://li01.tci-thaijo.org/index.php/anres/article/view/243506.