SANJEEV KUMAR, ALKA NARULA, and P.S.SRIVASTAVA. 2016. “ENHANCEMENT IN THE YIELD OF DIOSGENIN BY NITROGEN AND SULPHUR NUTRIENTS IN TRIBULUS TERRESTRIS L”. International Journal of Pharma and Bio Sciences 7 (3):172-79. https://ijpbs.net/index.php/journal/article/view/5212.