ZARINA ZAHARI, et al. “EFFECT OF PATIENT EDUCATION COMBINED WITH PHYSIOTHERAPY TREATMENT ON FEAR-AVOIDANCE BELIEF IN LOW BACK PAIN SUFFERERS”. International Journal of Pharma and Bio Sciences, vol. 5, no. 2, June 2014, pp. 640-8, https://ijpbs.net/index.php/journal/article/view/3582.