Nugroho, M.A. et al. 2025. Effect of Variation of Adsorbent and pH Doses on Boron Adsorption Using DMAPAA-co-DMAPAAQ Hydrogel. IPTEK The Journal of Engineering. 10, 1 (Sep. 2025), 25–33. DOI:https://doi.org/10.12962/j23378557.v10i1.a19154.