Ngwa, Canute A. “Development Authorities As Agents of Socio-Economic Change: An Historical Assessment of the Upper Nun Valley Development Authority (Undwa) in the Ndop Region of Cameroon, 1970–1995”. Nordic Journal of African Studies 12, no. 2 (June 30, 2003): 18. Accessed July 6, 2024. https://njas.fi/njas/article/view/327.