V. MOHANA KRISHNA, and T. SOMANATHAN. “ELECTROCATALYTIC ACTIVITY OF BAMBOO-LIKE MULTI WALLED CARBON NANOTUBES FOR THE DETERMINATION OF ASCORBIC ACID”. International Journal of Pharma and Bio Sciences, vol. 6, no. 3, Sept. 2015, pp. 238-44, https://ijpbs.net/index.php/journal/article/view/4399.