SUWARNO, Suwarno. PEMANFAATAN STEEL SLAG INDONESIA DI BIDANG PERTANIAN. Jurnal Ilmu Tanah dan Lingkungan, [S. l.], v. 12, n. 1, p. 36–41, 2010. DOI: 10.29244/jitl.12.1.36-41. Disponível em: https://journal.ipb.ac.id/jtanah/article/view/16595. Acesso em: 30 dec. 2025.