Sutruedee Prathuangwong, Wicha Charleepraom and Tharmmasak Sommartya (1989) “Sunflower Diseases in Some Growing Areas of Thailand”, Agriculture and Natural Resources. Bangkok, Thailand, 23(3), pp. 287–304. available at: https://li01.tci-thaijo.org/index.php/anres/article/view/242307 (accessed: 18 September 2026).