Sobia Ghani, and Z. H. Khan. 2015. “Variation of Ursolic Acid Content in Four Ocimum Species from Four Different Places of Maharashtra by HPTLC”. World Journal of Pharmaceutical Sciences 3 (12):2427-31. https://wjpsonline.com/index.php/wjps/article/view/ursolic-acid-ocimum-species-maharashtra-hptlc.