Ayamga, M, JA Awuni, and RB Jagri. “Willingness to Pay (WTP) for Water in Urban Ghana: The Case of Tamle Metropolis”. Ghana Journal of Development Studies 5, no. 2 (December 12, 2008): 40–55. Accessed September 28, 2026. https://www.ajol.info/index.php/gjds/article/view/35074.