Viviers, WilmaVan Wyk, L.2020-09-152020-09-151993Viviers, W. & Van Wyk, L. 1993. 'n Optimum valutagebied Suid‐Afrika en die BLS‐lande: antwoord. South African journal of economics, 61(1):66-67. [https://doi.org/10.1111/j.1813-6982.1993.tb01204.x]0038-22801813-6982 (Online)http://hdl.handle.net/10394/35758https://onlinelibrary.wiley.com/doi/10.1111/j.1813-6982.1993.tb01204.xhttps://doi.org/10.1111/j.1813-6982.1993.tb01204.x