D. E.-A. . Peter Angyie and M. B. N. Martial Annicet , Trans., “The Impact of Investment Climate on Industrial growth in the Central African sub-region (CEMAC)”, int.jour.sci.res.mana, vol. 8, no. 01, pp. 1500–1516, Jan. 2020, doi: 10.18535/ijsrm/v8i01.em03.