Datthum, J., S. Skulphan, and D. Thapinta. “A Study on Recurrence of Patients With Bipolar Disorders in Suan Prung Psychiatric Hospital, Chiang Mai Province”. Journal of Phrapokklao Nursing College, Chanthaburi, vol. 33, no. 1, June 2022, pp. 67–79, https://he01.tci-thaijo.org/index.php/pnc/article/view/255160.