Freddy Harry, YAMBEN Michel, and Tenlep Anne Michèle. 2021. “Conflicts Do They Affect the Overall Competitiveness of Sub-Saharan African Fragile Countries? An Approach of the Pooled Mean-Group”. International Journal of Social Science and Economics Invention 7 (02):27 to 35. https://doi.org/10.23958/ijssei/vol07-i02/264.