Niphone Thaveechai, Chalida Leksomboon, Wichai Kositratana, Ampaiwan Paradornutwat, and Chareinsak Rojanaridpiched. 1993. “Survival of Xanthomonas campestris pv. manihotis under Natural Field Condition”. Agriculture and Natural Resources 27 (1). Bangkok, Thailand:25-32. https://li01.tci-thaijo.org/index.php/anres/article/view/241548.