Kamaruddin, N.H., Azeman, N.H., Mokhtar, M.H.H. and A Bakar, A.A. 2021. Continuous Detection of Pb(II) utilizing Chitosan-Graphene Oxide Surface Plasmon Resonance Sensors based on Ag/Au and Au/Ag/Au Nanolayers. Jurnal OptoElektronik. (Jul. 2021). DOI:https://doi.org/10.53655/joe.e8336w.