คล้ายพิกุล กรพัชชา, and ชูวรรธนะปกรณ์ ทัศนา. 2018. “The Effect of The Individual and Family Self Management Program on Bowel Preparation Behavior for Colonoscopy in Older Persons”. Journal of Health Sciences and Wellness 21 (42):123-37. https://he01.tci-thaijo.org/index.php/HCUJOURNAL/article/view/146768.