WIDIASMADI, Nugroho. Konservasi Lahan melalui Katalisa Unsur Makro Organik Cair N-P-K. Jurnal Pendidikan dan Konseling (JPDK), [S. l.], v. 4, n. 5, p. 2526–2537, 2022. DOI: 10.31004/jpdk.v4i5.6996. Disponível em: https://journal.universitaspahlawan.ac.id/index.php/jpdk/article/view/6996. Acesso em: 15 jan. 2025.