Potential of palm frond waste as a basic material for making porous activated carbon Novi Yanti ; Pharada Kresna ; Muhammad Nasir ; Rakhmawati Farma ; Lilik Tri Hardanto ; Rika Taslim ; Erman Taer Komunikasi Fisika Indonesia 8 Sep 2026 10.31258/jkfi.21.1.99-108
