Ginting D, Billah S, Fadli Syahputra R. Optimization of Electrophotographic Toner Using Reduced Graphene Oxide and Palm Shell Carbon Aerogel. Photon [Internet]. 2026May31 [cited 2026Jun.12];16(2). Available from: https://ejurnal.umri.ac.id/index.php/photon/article/view/9969