Idris Mansor และ Eliza Syuhada Rosli and Ummi Umairah Kahar. (2019) The Author's Voice in Selecting Equivalences in the Translation into Malay of Raja Bilah and the Mandailings in Perak: 1875-1911. Rangsit Journal of Social Sciences and Humanities, 6(2), 25-32.
Idris Mansor และ Eliza Syuhada Rosli and Ummi Umairah Kahar. "The Author's Voice in Selecting Equivalences in the Translation into Malay of Raja Bilah and the Mandailings in Perak: 1875-1911". Rangsit Journal of Social Sciences and Humanities 6 (2019):25-32.
Idris Mansor และ Eliza Syuhada Rosli and Ummi Umairah Kahar. The Author's Voice in Selecting Equivalences in the Translation into Malay of Raja Bilah and the Mandailings in Perak: 1875-1911. Rangsit University:ม.ป.ท. 2019.