Kanika Pienpuck และ Wirat Choobamroong; Ubol Kueprakone. (1993) Sphaceloma ampelinum of Grape Scab in Thailand. <i>Thai Agricultural Research Journal</i>, <i>11</i>(2), 66-72.Kanika Pienpuck และ Wirat Choobamroong; Ubol Kueprakone. "Sphaceloma ampelinum of Grape Scab in Thailand". Thai Agricultural Research Journal 11 (1993):66-72.Kanika Pienpuck และ Wirat Choobamroong; Ubol Kueprakone. Sphaceloma ampelinum of Grape Scab in Thailand. Department of Agriculture:ม.ป.ท. 1993.