Oyelaran, Olatunde Ajani, B O Bolaji, M A Waheed, and M F Adekunle. 2015. “An experimental study of the combustion characteristics of groundnut shell and waste paper admixture briquettes”. Engineering and Applied Science Research 42 (4):283-86. https://ph01.tci-thaijo.org/index.php/easr/article/view/31603.