Mahaboob Subhani Syed, Ch.Bala Sekhar Reddy, and M.Sarbudeen, “Analytical Method Development and Validation for Simultaneous Estimation of Lercandipine and Atenolol Tablet Dosage Form by RP-HPLC”, IJPAR , vol. 3, no. 1, pp. 147–156, Jan. 2014.