Jha, Sangeeta, Himadri Rai, Richa Chattopadhyay, Veer Pal Kaur, M Indupriya, and V Shanti. “Effect of Metal Ions on Amylase Production”. Recent Research in Science and Technology 5, no. 2 (March 19, 2013). Accessed October 14, 2025. https://www.updatepublishing.com/journal/index.php/rrst/article/view/1025.