Marfo, E. D. “Chemical Modification of Petersianthus Macrocarpus (essia), to Determine Whether Durability Depends on Bulking or Hydroxyl Substitution”. Journal of Energy and Natural Resource Management 3, no. 3 (December 31, 2016). Accessed May 18, 2024. https://jenrm.uenr.edu.gh/index.php/uenrjournal/article/view/94.