Usman, D. D., E. O. Adanu, B. G. Jahun, and K. Ibrahim. “Effect of Moisture Content Variation on Thermo-Physical Properties of Brown Variety Tigernut (Cyperus Esculentus)”. ARID ZONE JOURNAL OF ENGINEERING, TECHNOLOGY AND ENVIRONMENT, Vol. 15, no. 3, Sept. 2019, pp. 714-2, https://www.azojete.com.ng/index.php/azojete/article/view/52.