Sari, T. K., Riga, R. and Zubir, M. (2021) “Pencil Lead Electrode Modified with Gold Thin Layer for Voltammetric Detection of Chromium (VI)”, EKSAKTA: Berkala Ilmiah Bidang MIPA, 22(2), pp. 145-153. doi: 10.24036/eksakta/vol22-iss2/265.