Quanchit Santipracha. “Influence of Planting Dates on Seedathip 1 Tomato Seed Quality Produced in Songkhla”. Agriculture and Natural Resources 26, no. 4 (December 30, 1992): 350–356. accessed August 28, 2026. https://li01.tci-thaijo.org/index.php/anres/article/view/241798.