Imam, T S, F G Aliyu, and H F Umar. 2014. “Preliminary Phytochemical Screening, Elemental and Proximate Composition of Two Varieties of <i>Cyperus esculentus</I> (Tiger Nut)”. Nigerian Journal of Basic and Applied Sciences 21 (4):247-51. https://doi.org/10.4314/njbas.v21i4.1.