Modifikasi Abu Bawah Batubara (Bottom Ash) Menggunakan Larutan Basa Kuat Natrium Hidroksida. Journal Pharmasci (Journal of Pharmacy and Science), [S. l.], v. 3, n. 1, p. 17–20, 2018. DOI: 10.53342/pharmasci.v3i1.69. Disponível em: https://e-journal.akfarsurabaya.ac.id/index.php/jps/article/view/69. Acesso em: 24 sep. 2026.