Purwanto, Ruli Joko, Karlin Agustina, and Yursida Yursida. “Tanggap Tanaman Jagung Terhadap Aplikasi POC Urin Sapi Dan Pupuk Anorganik Di Lahan Pasang Surut Tipe Luapan C”. Jurnal Lahan Suboptimal : Journal of Suboptimal Lands 3, no. 2 (August 15, 2015). Accessed April 26, 2024. https://jlsuboptimal.unsri.ac.id/index.php/jlso/article/view/118.