Oyelaran, O. A., B. O. Bolaji, M. A. Waheed, and M. F. Adekunle. “An Experimental Study of the Combustion Characteristics of Groundnut Shell and Waste Paper Admixture Briquettes”. Engineering and Applied Science Research, vol. 42, no. 4, Nov. 2015, pp. 283-6, https://ph01.tci-thaijo.org/index.php/easr/article/view/31603.