Khatikarn B, Lavapaurya T. Studies on Vegetable Seed Production, 1963 – 1965 1. Agr. Nat. Resour. [internet]. 1966 Jan. 1 [cited 2026 Aug. 28];6(1):7-15. available from: https://li01.tci-thaijo.org/index.php/anres/article/view/240629