KULSAWAT, WUTTHIKRAI, Phatchada Nochit, and Ritiron Samran. “STABLE CARBON ISOTOPE FOR EVALUATING SOIL ORGANIC CARBON BETWEEN RICE-CORN ROTATION AND CORN MONOCROPPING”. Suranaree Journal of Science and Technology 31, no. 4 (October 22, 2024): 030208(1–6). accessed September 10, 2026. https://ph04.tci-thaijo.org/index.php/SUJST/article/view/3552.