Vangnai S, Ruaysungnern S, Porntaveevatana S. Improved Growth Medium for Industrial Production of Rhizobium japonicum strain Soil-18. Agr. Nat. Resour. [internet]. 1975 Jul. 1 [cited 2026 Sep. 18];9(2):119-25. available from: https://li01.tci-thaijo.org/index.php/anres/article/view/240718