Plapito, Alki Satrio, Aisyah Aisyah, and Paranita Asnur. “Testing the Effectiveness of Azotobacter Bacteria and Organic Materials on the Growth, Production, Assembly of Plant N and Soil N Availability in Kailan Plants (Brassica Oleraceae)”. Gontor Agrotech Science Journal 7, no. 1 (May 26, 2021): 57–89. Accessed December 25, 2024. https://ejournal.unida.gontor.ac.id/index.php/agrotech/article/view/5731.