Ayu, S. D., Mawardi, M., Sanjaya, H., Ningsih, S. K. W., & Suryani, O. (2026). Napa Soil-Derived NiAl₂O₄/MWCNT-Modified Glassy Carbon Electrode for Cd²⁺ Detection. Hydrogen: Jurnal Kependidikan Kimia, 14(3), 472–478. https://doi.org/10.33394/hjkk.v14i3.21268