M. M. Eswarudu, P. Sakheena, K. Lahari, P. S. Babu, and M. C. Eswaraiah, “Validated RP-HPLC Method for Simultaneous Estimation of Atenolol, Hydrochlorothiazide and Losartan Potassium in Bulk and Pharmaceutical Dosage Form”, Asian J Pharm Res Dev, vol. 9, no. 1, pp. 60–66, Feb. 2021.