Sihotang, Dini Rosita, and Nur Rohimah Hanik. “Analysis of NPK Content in Several Solid Bokashi Fertilizers”. Jurnal Biologi Tropis 25, no. 1 (January 30, 2025): 334–340. Accessed February 7, 2025. http://jurnalfkip.unram.ac.id/index.php/JBT/article/view/8492.