Wanchai Chanprasert, Permpong Sriprasertsak, and Wanruedee Sributroj. “Use of Seed Coat Peroxidase Test and Seed Urease Test for Varietal Identification in Soybean”. Agriculture and Natural Resources 27, no. 1 (March 31, 1993): 1–5. accessed September 18, 2026. https://li01.tci-thaijo.org/index.php/anres/article/view/241544.