Shaygan, M., A. Jaberi, R. Firozian, Z. Yazdani, and N. Zarifsanaiey. “Effect of a Multimedia Training Programme for Pain Management on Pain Intensity and Depression in Patients With Non-Specific Chronic Back Pain”. 2022. Investigación Y Educación En Enfermería, vol. 40, no. 1, Sept. 2023, doi:10.17533/udea.iee.v40n1e13.