Barnes, Richard, John Majam, Bernard Asamoa-Boateng, and James Agyei-Ohemeng. 2006. “The Survival of Elephant Dung Piles in Relation to Forest Canopy and Slope in Southern Ghana”. Pachyderm 41 (1):37-43. https://pachydermjournal.org/index.php/pachyderm/article/view/1279.