Apriwandi, W. Sinta Mustika, Julnaidi, D. Puspita, R. Taslim, and E. Taer, “Dense porous monolithic carbon from Indonesian daikon leaf waste via NaOH–CO2 physicochemical activation for binder-free volumetric supercapacitors”, CST, vol. 11, no. 1, pp. 150–161, Jul. 2026.