N. Sean-in, R. Yahsiro, S. Tunkijjanukij, and S. Ponchunchoovong, “Efficient Cryopreservation of Humpback Grouper, Cromileptes altivelis (Valenciennes, 1828) Spermatozoa”, JFE, vol. 33, no. 2, pp. 12–23, May 2009.