Respon Kadar NPK dan C-Organik Pupuk Organik Cair terhadap Variasi Komposisi Daun Mangga, Pelepah Pisang, dan Lama Fermentasi dengan Bioaktivator EM4. Jurnal Serambi Engineering, [S. l.], v. 11, n. 3, 2026. Disponível em: http://jse.serambimekkah.id/index.php/jse/article/view/1848. Acesso em: 1 jul. 2026.