Pengaruh Penggunaan Ampas Tahu Terhadap Kadar Nitrogen Pupuk Organik Dari Endapan Limbah Cair Kelapa Sawit Mengguakan Mikroorganisme Lokal. Journal of Chemical Process Engineering, [S. l.], v. 1, n. 2, p. 1–6, 2016. DOI: 10.33536/jcpe.v1i2.812. Disponível em: https://jurnal.fti.umi.ac.id/index.php/JCPE/article/view/812. Acesso em: 26 aug. 2025.