M. E. U, N. A. M, and O. C. L., “Bioavailability of vitamins C, E and pro-vitamin A in extracts of fluted pumpkin (Telfairia occidentalis), tomato (Lycopersicum esculentum) and eggplant (Solanum melongena)”, IJBAS, vol. 2, no. 3, pp. 244–250, Jul. 2013, doi: 10.14419/ijbas.v2i3.883.