Nguyen, T.-N., C.-H. Nguyen, and N.-Q. Nguyen. “Diquat and Paraquat Analysis in Rice Using a Zwitterionic Hydrophilic Interaction Chromatography – Tandem Mass Spectrometry”. Indonesian Journal of Chemical Analysis (IJCA), vol. 5, no. 1, Mar. 2022, pp. 29-40, doi:10.20885/ijca.vol5.iss1.art4.