Kaho, Uly J Riwu, Joritha Naisanu, and Karolina Satria Ida. “Effect of Cow Manure and Atonic on Spinach (Amaranthus spp.) Production in Dry Land”. Jurnal Biologi Tropis 20, no. 3 (October 15, 2020): 363–368. Accessed July 22, 2024. https://jurnalfkip.unram.ac.id/index.php/JBT/article/view/2057.