Bow, Yohandri, et al. “Molecularly Imprinted Polymer (MIP) Based PVC-Membrane-Coated Graphite Electrode for the Determination of Heavy Metals”. International Journal on Advanced Science, Engineering and Information Technology, vol. 5, no. 6, Dec. 2015, pp. 422-5, doi:10.18517/ijaseit.5.6.594.