Tongkaemkaew, U., Y. . Eidnoi, and B. . Baukwan. “Assessment of Soil and Water Quality on Sangyod Organic Rice Fields”. Songklanakarin Journal of Plant Science, vol. 11, no. 2, Dec. 2024, pp. 100-7, https://www.sjplantscience.com/index.php/ojs/article/view/78.