“Parkia Biglobosa Jacq (dawa-dawa): The Threatened Giant of the Guinea Savanna of Nigeria (The Cross River State Situation)”. Global Journal of Science Frontier Research 16, no. C2 (June 6, 2016): 21–32. Accessed August 13, 2026. https://www.journalofscience.org/index.php/GJSFR/article/view/1774.