Meyer DF, Habanabakize T. Analysis of Relationships and Causality between Consumer Price Index (CPI), the Producer Price Index (PPI) and Purchasing Manager’s Index (PMI) in South Africa. JEBS [Internet]. 2018Dec.22 [cited 2024Nov.24];10(6(J):25-2. Available from: https://ojs.amhinternational.com/index.php/jebs/article/view/2590