Somkeatkun, W., and K. Ruengdet. “The Creating Added Value for Chaiya Native Rice in Chaiya District, Surat Thani Province”. Research and Development Journal, Loei Rajabhat University, vol. 16, no. 56, Apr. 2021, pp. 31-42, https://so05.tci-thaijo.org/index.php/researchjournal-lru/article/view/247245.