ศิริธรรมานุกุล ว., ธนกิจวณิชกุล ม., & แสงทองดี จ. (2016). Reasons, perceived barriers and benefits in people over 50 years who not undergo Colonoscopy. Thai Journal of Nursing, 60(3), 36–44. Retrieved from https://he02.tci-thaijo.org/index.php/TJN/article/view/197529