K Peddi, Nandan, Naga Raveendra S.L, and Krishnakar M. 2012. “SIMULTANEOUS ESTIMATION OF AMLODIPINE AND METAPROLAL TABLETS USING VIERTODS EQUATION METHOD ”. International Research Journal of Pharmaceutical and Applied Sciences 2 (6), 66-70. https://scienztech.org/index.php/irjpas/article/view/362.