Pratiwi, A., Syahrana, N.A., Ismail, I. and Arsul, M.I. 2023. Effects of Enhancment Span-60 of Vernonia amygdalina Leaves Extract-loaded Niosomes . Ad-Dawaa’ Journal of Pharmaceutical Sciences. 6, 2 (Dec. 2023), 155-163. DOI:https://doi.org/10.24252/djps.v6i2.45956.