Okoro, Stanley U., Udo Schickhoff, Jürgen Böhner, and Uwe A. Schneider. “A Novel Approach in Monitoring Land-Cover Change in the Tropics: Oil Palm Cultivation in the Niger Delta, Nigeria”. DIE ERDE – Journal of the Geographical Society of Berlin 147, no. 1 (March 22, 2016): 40–52. Accessed November 21, 2024. https://die-erde.org/index.php/die-erde/article/view/254.