Sapsuha, Yusri, et al. “Processing of Cow Manure Waste As Organic Fertilizerin Farmer Groups in Towara Village, Galela District,North Halmahera Regency”. Agrikan Jurnal Agribisnis Perikanan, vol. 15, no. 2, Oct. 2022, pp. 504-7, doi:10.52046/agrikan.v15i2.1245.