Orji-Udezuka , A. C., et al. “ Evaluation of Selected Nigerian Sorghum Malt Extract Quality As an Alternative to Barley in Beer Industries ”. African Journal of Education,Science and Technology (AJEST), vol. 5, no. 4, Mar. 2020, pp. Pp 174-184, https://ajest.org/index.php/ajest/article/view/458.