N. M. S. Al-Otaibi, “CHARACTERIZATION OF NON-STEROIDAL ANTI-INFLAMMATORY DRUGS IN TABLETS BY DIRECT ANALYSIS IN REAL TIME/TIME OF FLIGHT/MASS SPECTROMETRY (DART/TOF/MS) WITHOUT SAMPLE PREPARATION”, Int. J. Res. Granthaalayah, vol. 5, no. 12, pp. 191–199, Dec. 2017.