Das, Shaon Kumar, et al. “Metsulfuron-Methyl Herbicide on Dehydrogenase and Acid Phosphatase Enzyme Activity on Three Different Soils”. International Journal of Bio-Resource and Stress Management, vol. 8, no. Apr, 2, Apr. 2017, pp. 236-41, https://ojs.pphouse.org/index.php/IJBSM/article/view/1102.