W. . Haider and Farjad Afzal, “COMPARISON BETWEEN THE EFFECTIVENESS OF MACKENZIE EXERCISE AND WILLIAM FLEXION EXERCISES FOR TREATMENT OF NON-SPECIFIC LOW BACK PAIN IN OBESE PEOPLE”, IJHR, vol. 3, no. 5 (Health and Rehabilitation), pp. 160–168, Sep. 2025, doi: 10.71000/hweg2j39.