Triyana, Elva, Elfrida Elfrida, and Teuku Hadi Wibowo Atmaja. “Effectiveness of Elephant Grass (Pennisetum Purpureum) Green Fertilizer on the Growth of Soybean Plants (Glycine Max L. Merrill)”. Jurnal Biologi Tropis 24, no. 3 (August 30, 2024): 818–823. Accessed November 24, 2024. http://jurnalfkip.unram.ac.id/index.php/JBT/article/view/7476.