Rajput, Mithlesh, et al. “QUANTITATIVE DETERMINATION OF PLATINUM AND PALLADIUM IN DONEPEZIL HYDROCHLORIDE USING INDUCTIVELY COUPLED PLASMA – OPTICAL EMISSION SPECTROSCOPY”. International Journal of Pharmacy and Pharmaceutical Sciences, vol. 7, no. 2, Feb. 2015, pp. 323-9, https://www.journals.innovareacademics.in/index.php/ijpps/article/view/3509.