Nuprain, A., Srikarn, M. and Jundum, S. 2026. The Upland Rice Supply Chain through the Application of the Supply Chain Operations Reference (SCOR) Model: A Case Study of Kanchanadit District, Surat Thani Province. Research and Development Journal, Loei Rajabhat University. 20, 74 (Jan. 2026), 1–16.