J. Kisito Mvogo, L. M. Ayina Ohandja, L. Seba Minsili, and Patrick Castera. “Mechanical Grading of Structural Timber and Species Conservation in the Forest of the Congo Basin”. African Journal of Environmental Economics and Management 8, no. 1 (February 10, 2020): 576–590. Accessed May 13, 2025. https://elixirpublishers.in/index.php/ajeem/article/view/1072.