Zahari, Zarina, Maria Justine, and Nor Azizah Ishak. “Reliability and Validity of Malay Version of Revised Oswestry Low Back Pain Disability Questionnaire ”. Healthscope: The Official Research Book of Faculty of Health Sciences, UiTM 2 (August 6, 2020). Accessed October 1, 2025. http://healthscopefsk.com/index.php/research/article/view/72.