Nurhidayati, Abdul Basit, and Sunawan,. “Hasil Tebu Pertama Dan Keprasan Serta Efisiensi Penggunaan Hara N Dan S Akibat Substitusi Amonium Sulfat”. Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) 41, no. 1 (October 6, 2013). Accessed November 25, 2024. https://journal.ipb.ac.id/index.php/jurnalagronomi/article/view/7077.