SARAGIH, G.; PURWANDARI, V.; AKBARI , A. Z.; SILITONGA, N.; ABDILLAH, A. Optimization of Solvent-Assisted Exfoliation of Low Rank Coal for Few-Layer Graphene Production via Multi-Stage Ultrasonication. Jurnal Riset Teknologi Pencegahan Pencemaran Industri, [S. l.], v. 16, n. 2, p. 168–175, 2025. Disponível em: https://jrtppi.id/index.php/jrtppi/article/view/249. Acesso em: 20 feb. 2026.