RAJESH KUMAR MAHESHWARI, et al. “TITRIMETRIC ANALYSIS OF KETOPROFEN IN THE BULK DRUG SAMPLE USING SODIUM CITRATE AS HYDROTROPIC AGENT”. International Journal of Pharma and Bio Sciences, vol. 4, no. 2, June 2013, pp. 58-61, https://ijpbs.net/index.php/journal/article/view/2144.