http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
study of copper oxide-zirconia produced by conventional and pressureless two-step sintering process
Ph.D. Jabatan Kejuruteraan Mekanik, Fakulti Kejuruteraan, Universiti Malaya 2021.