Ossicle shapes and mitochondrial DNA profiles of holothuria and stichopus species - Anua, Mohd Hanafi; Kamarudin, Kamarul Rahim; Usup, Gires; Hashim, Ridzwan; Nordin, Noor Faizul Hadry; Ahmad, Hajar Fauzan; Lukman, Ahmad Lutfi (2008)