Uthra, K., and K. Kadirvelu. “Biosorption of Nickel Using Mixed Cultures of Pseudomonas Aeruginosa and Bacillus Subtilis”. Defence Life Science Journal 2, no. 4 (November 10, 2017): 442-447. Accessed April 28, 2024. https://publications.drdo.gov.in/ojs/index.php/dlsj/article/view/12278.