Chaiyapan, Maithai, and Bunrome Suwanphahu. 2019. “The Development of Mental Health Promotion Program for the Elderly by Participation of Community at the District Level Songkhla Province”. Journal of Research in Nursing-Midwifery and Health Sciences 39 (3):150-68. https://he02.tci-thaijo.org/index.php/nur-psu/article/view/218909.