ANURADHA.S.N., and ARUNKUMAR.S. 2012. “A Validated Rp – Hplc Method For Simultaneous Estimation Of Vitamin A And Vitamin E In Multivitamin Tablet Dosage Form”. International Journal of Pharma and Bio Sciences 3 (3):322-27. https://ijpbs.net/index.php/journal/article/view/1488.