Adenan Ayob. “IMPAK PENGGUNAAN CD-ROM KAEDAH CEPAT MEMBACA DAN MENULIS HURUF KONSONAN”. JOURNAL INFORMATION AND TECHNOLOGY MANAGEMENT (JISTM), vol. 3, no. 7, Apr. 2018, pp. 126-39, https://gaexcellence.com/jistm/article/view/1016.