Carbonization of Ageratum conyzoides Leaves and Characterization for Supercapacitor Active Electrode Performance. J. Phys. Soc. Ind. [Internet]. 2026 Nov. 1 [cited 2026 Nov. 11];2(2):134-4. Available from: https://journal.fisika.or.id/index.php/jpsi/article/view/105