MULYANA, Muhammad Agus; SOFYAN, Emma Trinurani; SURYATMANA, Pujawati. Optimasi Pupuk Organik Cair Dan Npk Terhadap Beberapa Sifat Kimia Tanah Dan Hasil Jagung Di Lahan Tercemar Limbah Clarifier. Jurnal Agrotek Indonesia, [S. l.], v. 3, n. 1, 2018. Disponível em: https://journal.unsika.ac.id/index.php/agrotek/article/view/1171. Acesso em: 5 des. 2025.