PENGARUH LAMA PENGERINGAN SEKAM PADI TERHADAP TINGKAT KEMURNIAN SILIKA RICE HUSK ASH. Jurnal Teknik Mesin, [S. l.], v. 1, n. 1, p. 21–25, 2011. DOI: 10.21063/jtm.2011.v1.i1.21-25. Disponível em: https://jtm.itp.ac.id/index.php/jtm/article/view/381. Acesso em: 21 agu. 2025.