B. Olayiwola, Yetunde. “Characterization and Efficacy of Bio-Oil Obtained from Liquefied Hardwood Bark As Wood Preservative”. American Scientific Research Journal for Engineering, Technology, and Sciences 59, no. 1 (September 3, 2019): 105–117. Accessed May 3, 2024. https://www.asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/4916.