Vaish, Supriya, et al. “Enzymatic and Siderophore Production Behavior of Fungal Isolates from Various Biodynamic Preparations ”. Journal of Eco-Friendly Agriculture, vol. 14, no. 2, Dec. 2019, pp. 72-74, https://acspublisher.com/journals/index.php/jefa/article/view/8148.