Md. Amir Faisal, Abul Hasnat, Anan Polthanee, และ Arunee Promkhambut. 2014. “Farmers’ perception of drought and its impact on a community livelihood in rural Northeastern Thailand”. วารสารแก่นเกษตร 42 (3):427-42. https://li01.tci-thaijo.org/index.php/agkasetkaj/article/view/250560.