Bob Soile, and Moses Akiibinu,Felix Oyeyiola. “Thermochemical Liquefaction of Kraft Lignin As A Waste Management Process”. JOURNAL OF ADVANCES IN CHEMISTRY 17 (June 9, 2020): 64–72. Accessed April 25, 2024. https://rajpub.com/index.php/jac/article/view/8715.