Increasing investment attractivness of CIS countries (ex-USSR countries)

This work is a literature review on this topic. In the literature review I’d like to see only Eastern Europe countries , such as Slovakia , Baltic countries , and others , who were a part of USSR in past. Please , make sure , that you will use only last 5 years sources and,please, don’t forget about list of references at the end, that should be done in a Harvard style. Also , pay attention that my IELTS writing score is 6.5.