Ginting, Delovita, Salsa Billah, and Romi Fadli Syahputra. 2026. “Optimization of Electrophotographic Toner Using Reduced Graphene Oxide and Palm Shell Carbon Aerogel”. Photon: Jurnal Sain Dan Kesehatan 16 (2). https://ejurnal.umri.ac.id/index.php/photon/article/view/9969.