Anornu, G. K., A. Kabo-bah, and B. K. Kortatsi. “Comparability Studies of High and Low Resolution Digital Elevation Models for Watershed Delineation in the Tropics: Case of Densu River Basin of Ghana”. International Journal of Cooperative Studies, vol. 1, no. 1, July 2012, pp. 9-14, doi:10.11634/216826311706109.