de Silva, D. S. P. C. N, P. C. M. Nonis, and U. K. Jayasundara. “Method Development and Validation of Vitamin C Formulations Using Zeroth Order UV-Visible Spectrophotometry”. European Journal of Applied Sciences 13, no. 01 (February 25, 2025): 473–485. Accessed May 30, 2026. https://scholarpublishing.org/journals/index.php/EJAS/article/view/10582.