ป้อมจันทร์ ศุภวรรณ, and ศรีพิบูลย์บัติ จิราพร. “The Development of 4 Mat Instructional Management Model to Promote Nursing of Upper Gastrointestinal Bleeding for Nursing Student”. Community and Social Development Journal 20, no. 2 (December 16, 2019): 95–108. Accessed May 3, 2024. https://so05.tci-thaijo.org/index.php/cmruresearch/article/view/218157.