sitthiporn khetjoi, W. . Thasa, S. . Raisa-nguan, and S. K. Khatjoi, “ Impact Of Burning Sugarcane Leaves Polluted PM 2.5 Nai -Muang Sub-District, Wiangkao District Khon Kaen Province”, JBER, vol. 7, no. 1, pp. 16–25, Apr. 2021.