B. Emelugo, S. Umerie, I. Okonkwo, and J. Achufusi, “Evaluation of the Tubers and Oil of Cyperus rotundus Linn (CYPERACEAE)”, Pak. J. Nutr., vol. 10, no. 2, pp. 147–150, Jan. 2011, doi: 10.3923/pjn.2011.147.150.