Saha, *Anirban, Navneet Kumar Giri, and S.P. Agarwal. 2017. “SILVER NANOPARTICLE BASED HYDROGELS OF TULSI EXTRACTS FOR TOPICAL DRUG DELIVERY”. International Journal of Ayurveda and Pharma Research 5 (1). http://ijaprs.com/index.php/ijapr/article/view/336.