Shaygan, M., Jaberi, A., Firozian, R., Yazdani, Z. and Zarifsanaiey, N. 2023. Effect of a multimedia training programme for pain management on pain intensity and depression in patients with non-specific chronic back pain. Investigación y Educación en Enfermería. 40, 1 (Sep. 2023). DOI:https://doi.org/10.17533/udea.iee.v40n1e13.