Roongtanakiat N, Kornduangkaeo A, Kajornrith V, Kranrod C. Determination of Total Nitrogen in Soybean Using Nuclear Technique. Agr. Nat. Resour. [internet]. 1999 Sep. 30 [cited 2026 Sep. 17];33(3):335-42. available from: https://li01.tci-thaijo.org/index.php/anres/article/view/240450