Gnana Piragasam, Grace Annammal, Rosadah Abd. Majid, and Zalizan Mohd. Jelas. 2012. “Analisis Pengukuran Rasch Dalam Penilaian Instrumen Indeks Ringkas Aktualisasi Diri”. Journal of Special Needs Education 2 (December):115-26. https://journal.nase.org.my/index.php/jsne/article/view/47.