Karun Thongprajukaew, Uthaiwan Kovitvadhi, Arunee Engkagul, and Krisna Rungruangsak-Torrissen. “Characterization and Expression Levels of Protease Enzymes at Different Developmental Stages of Siamese Fighting Fish (Betta Splendens Regan, 1910)”. Agriculture and Natural Resources, vol. 44, no. 3, June 2010, pp. 411-23, https://li01.tci-thaijo.org/index.php/anres/article/view/244946.