Patel, M., A. K. Parashar, G. Darwhekar, R. K. Nema, and R. K. Maheshwari. “New Titrimetric Estimation of Flurbiprofen Tablets Using Ibuprofen Sodium As Hydrotropic Agent”. Current Research in Pharmaceutical Sciences, Vol. 3, no. 4, Dec. 2013, pp. 144-7, https://crpsonline.com/index.php/crps/article/view/112.