Bhave, R. K., and S. S. Barve. “HPTLC METHOD VALIDATION FOR DETECTION AND QUANTIFICATION OF BETULINIC ACID IN ANCISTROCLADUS HEYNEANUS WALL EX. J. GRAHAM”. International Journal of Pharmacy and Pharmaceutical Sciences, vol. 6, no. 8, Aug. 2014, pp. 328-31, https://journals.innovareacademics.in/index.php/ijpps/article/view/2789.