Zondo, S. . and Mahlambi, P. . (2022) “Comparison of Ultrasonic and QuEChERS Extraction Methods Efficiency for the Determination of Herbicides Residues in Soil and Maize Cob”, Trends in Sciences. Nakhon Si Thammarat, Thailand, 19(24), p. 3030. doi: 10.48048/tis.2022.3030.