2013 · Engku Haliza Engku Ibrahim, Khairiah Othman, et al. · The International Islamic University Malaysia Repository (The International Islamic University Malaysia) · 9
2015 · Engku Haliza Engku Ibrahim, Isarji Sarudin, et al. · The International Islamic University Malaysia Repository (The International Islamic University Malaysia)
2014 · Ainon Jariah Muhamad, Engku Haliza Engku Ibrahim, et al. · The International Islamic University Malaysia Repository (The International Islamic University Malaysia)