Duangjai Boonkusol, Kulnasan Saikhun and Poonsuk Ratanaphumma (2010) “Effects of Extender and Storage Time on Motility and Ultrastructure of Cooled-Preserved Boar Spermatozoa”, Agriculture and Natural Resources. Bangkok, Thailand, 44(4), pp. 582–589. Available at: https://li01.tci-thaijo.org/index.php/anres/article/view/244965 (Accessed: 19 May 2024).