Chiradej Chamswarng, Wanida Pongsakchat, and Wanwilai Gesnara. “Detection and Quantification of Pythium aphanidermatum From Soil by Soil Dilution and Baiting Techniques”. Agriculture and Natural Resources, vol. 25, no. 1, Mar. 1991, pp. 39-46, https://li01.tci-thaijo.org/index.php/anres/article/view/241902.