Santoso, Edi. “Nitrogen and Potassium Applications on the Growth of Amorphophallus Muelleri Blume”. Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) 39, no. 2 (March 1, 2017). Accessed April 18, 2024. https://jurnal.ipb.ac.id/index.php/jurnalagronomi/article/view/15431.