Hichmah, H. N. “Effect of Surfactant Concentration on the Entrapment Efficiency Niosomes Aqueous Extract of Cassava Leaves (Manihot Esculenta Crantz)”. Asian Journal of Pharmaceutics (AJP), vol. 13, no. 04, Nov. 2019, doi:10.22377/ajp.v13i04.3397.