SEMBIRING, M. P.; CHAIRUL, C.; ZULFANSYAH, Z. ANALISA UNSUR HARA MIKRO DARI FLY ASH LIMBAH INDUSTRI PULP DAN KERTAS. JURNAL ANALIS LABORATORIUM MEDIK, [S. l.], v. 6, n. 1, p. 13–18, 2021. DOI: 10.51544/jalm.v6i1.1929. Disponível em: https://e-journal.sari-mutiara.ac.id/index.php/ALM/article/view/1929. Acesso em: 21 nov. 2024.