Obitte, N. C., and A. Chukwu. “The Excipient Usefulness of Carbosil® and Landolphia Owariensis in Two Oil-Based Self- Emulsifying Formulations”. Asian Journal of Pharmaceutics (AJP), vol. 4, no. 4, Aug. 2014, doi:10.22377/ajp.v4i4.291.