CHIRAG PANCHAL, et al. “FORMULATION AND EVALUATION OF LIP JELLY BY REPLACING SYNTHETIC COLORANTS WITH COLORANTS EXTRACTED FROM BIXA ORELLANA SEEDS”. International Journal of Pharma and Bio Sciences, vol. 6, no. 2, June 2015, pp. 42-46, https://ijpbs.net/index.php/journal/article/view/4125.