R. E. SHEIKH, M. A. ATWA, A. A. ABDULLAH, and A. A. ELFETOUH GOUDA, “A GREEN VORTEX-ASSISTED IONIC LIQUID-BASED DISPERSIVE LIQUID–LIQUID MICROEXTRACTION METHOD FOR PRECONCENTRATION AND DETERMINATION OF TRACE CADMIUM IN FOOD SAMPLES”, Asian J Pharm Clin Res, vol. 13, no. 2, pp. 178–184, Feb. 2020.