Chaiyawat, P. 1988. “Plant Isoflavones and the Survival of the Wingless Grasshopper (Phaulacridium, Acrididae.) on subterranean Clover I Survival and Feeding Preference”. Thai Agricultural Research Journal 6 (1-3):47-51. https://li01.tci-thaijo.org/index.php/thaiagriculturalresearch/article/view/245070.