FS, H.; HIDAYAT, B. The Effect of Rice Husk Ash and Goat Manure on the Growth of Spinach (Amaranthus gangetius) . Jurnal Online Pertanian Tropik, [S. l.], v. 8, n. 1, p. 26–32, 2021. DOI: 10.32734/jopt.v8i1.5392. Disponível em: https://idjpcr.usu.ac.id/jpt/article/view/5392. Acesso em: 4 aug. 2025.