E. AMANKWAH, F. A. GOCKEL, E. OSEI-ASSIBEY, and A. NUBUOR, “Pareto superior dimension of rotating savings and credit associations (ROSCAs) in Ghana: Evidence from Asunafo North Municipality of Ghana”, J. Econ. Lib., vol. 6, no. 4, pp. 287–309, Dec. 2019.