Saha, *Anirban, N. Kumar Giri, and S. Agarwal. “SILVER NANOPARTICLE BASED HYDROGELS OF TULSI EXTRACTS FOR TOPICAL DRUG DELIVERY”. International Journal of Ayurveda and Pharma Research, Vol. 5, no. 1, Feb. 2017, https://ijaprs.ijraps.in/index.php/ijapr/article/view/336.