Ngwa CA. 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. NJAS [Internet]. 2003 Jun. 30 [cited 2024 Jul. 6];12(2):18. Available from: https://njas.fi/njas/article/view/327