เหรียญแก้ว ป. Urea. Enriched Paddy Straw as Cattle Feed. Agr. Nat. Resour. [internet]. 1965 Sep. 1 [cited 2026 Sep. 18];5(3):128-39. available from: https://li01.tci-thaijo.org/index.php/anres/article/view/240615