O.H -. Kaplan, Jacob J., The Challenge of Foreign Aid - Policies, Problems, and Possibilities, Frederick A. Praeger, New York, 1967 (andra tryckn. 1968) - Praeger Series on International Economics and Development. le [Internet]. 1968 Jan. 1 [cited 2025 Dec. 6];32. Available from: https://tidsskrift.dk/ledelseogerhvervsoekonomi/article/view/34464