Ayu, Stevy Dara, et al. “Napa Soil-Derived NiAl₂O₄ MWCNT-Modified Glassy Carbon Electrode for Cd²⁺ Detection”. Hydrogen: Jurnal Kependidikan Kimia, vol. 14, no. 3, June 2026, pp. 472-8, doi:10.33394/hjkk.v14i3.21268.