What are the effects of global strategy on the performance of SMEs in developing countries?? I need a literature review on t

Wjhat are the effects of global strategy on the performance of SMEs in developing countries? 

I need a literature review on the organizational performance and global strategy of SMEs in developing countries ( preferably Africa). The peer-reviewed resources should not be more than 5 years old. Additionally the emphasis should be on sustainability of SMEs in the developing countries.