Tambunan PM. Karakterisasi Kadar Mineral, Logam Berat Serta Distribusi Ukuran Partikel Limbah Abu Terbang (Fly Ash) Sisa Pembakaran Batu Bara Industri Oleokimia. J. Indones. Soc. Integr. Chemistry [Internet]. 2022Dec.31 [cited 2024Jul.8];14(2):100-8. Available from: https://online-journal.unja.ac.id/jisic/article/view/21355