Syahraini Sulaiman, Siti, et al. “Detection of Cadmium by Using Ionic Liquid Cellulose Based Thin Layer”.
International Journal of Engineering and Technology
, vol. 7, no. 4.42, Dec. 2018, pp. 197-03,
https://doi.org/10.14419/ijet.v7i4.42.25713
.