Ibrahim A. Darwish, Ashraf M. Mahmoud, and Abdul-Rahman A. Al-Majed. “Novel Analytical Approach for Reducing the Consumption of Organic Solvents in the Charge Transfer-Based Spectrophotometric Analysis of Losartan Potassium”. International Journal of Research in Pharmaceutical Sciences, Vol. 1, no. 4, Oct. 2010, pp. 391-5, https://pharmascope.org/ijrps/article/view/891.