1. Alami, S., Ahouzi, N. K., & Ouhbi, S. (2016). Health beliefs, self-efficacy, and quality of life in Moroccan patients with rheumatoid arthritis. Rheumatology International, 36(9), 1263-1270. doi: 10.1007/s00296-016-3506-5
2. Al-Khlaifat, L. J., Al-Qudah, M. A., & Alkhawaldeh, M. (2020). The relationship between health beliefs, self-efficacy, and adherence to treatment in patients with rheumatoid arthritis: A systematic review. Musculoskeletal Care, 18(4), 451-462. doi: 10.1002/msc.1488
3. American Psychological Association. (2020). About APA. https://www.apa.org/about
4. Benkert, R., Carbogim, F. C., Terreri, M. T., & Len, C. A. (2019). Health beliefs of adolescents with chronic rheumatic diseases: A systematic review. Revista Brasileira de Reumatologia (English Edition), 59(2), 159-170. https://doi.org/10.1016/j.rbre.2018.08.001
5. Bazzichi, L., Maser, J., Piccinni, A., & Bombardieri, S. (2019). Quality of life in rheumatoid arthritis: Impact of disability and lifetime psychiatric morbidity. Clinical and Experimental Rheumatology, 37(Suppl. 121), 40-44.