A. A. Ramadan, H. Mandil, and R. Alsayed-ali, “SPECTROPHOTOMETRIC DETERMINATION OF ROSUVASTATIN IN PURE FORM AND PHARMACEUTICAL FORMULATIONS THROUGH ION-PAIR COMPLEX FORMATION USING BROMOCRESOL GREEN”, Int J Pharm Pharm Sci, vol. 7, no. 11, pp. 191–198, Nov. 2015.