Dwi Indah Lestari, Linda Ekawati, Syariful Maliki, Zeolita Prabu Putri, & Isma Uly Maranggi. (2026). Fixed-Bed Column Performance of NaOH-Activated Hybrid Adsorbent Derived from Jengkol Peels and Coconut Shells for Cu(II) Removal. Science Education and Application Journal, 8(1), 23–33. https://doi.org/10.30736/seaj.v8i1.1324