SIVA KUMAR, R., M.R. SANTHANAKRISHNAN, P. KUMAR NALLASIVAN, P. SENTHIL NATHAN, and R. VENKATNARAYANAN. 2010. “Spectroscopic and HPTLC Method for Quantification of Simvastatin in Tablet Dosage Forms”. Asian Journal of Chemistry 21 (9):6781-84. https://asianpubs.org/index.php/ajchem/article/view/12149.