จันครา จ., & เกศพิชญวัฒนา จ. (2018). The Effect of Montessori-based Activities Program on Depression among Older Persons in Social Welfare Development Center for Older Persons. Journal of Phrapokklao Nursing College, Chanthaburi, 27(1), 39–50. Retrieved from https://he01.tci-thaijo.org/index.php/pnc/article/view/117135