[1]
“Activatory Effects of Manganese and Cobalt Ions on the Activity of Cellulase Produced by Aspergillus niger”, Nigerian J Biochem Molecul Biol, vol. 28, no. 1 & 2, pp. 60–68, Dec. 2013, Accessed: Jun. 03, 2026. [Online]. Available: https://www.nsbmb.org.ng/journals/index.php/njbmb/article/view/315