Relevance Analysis	Inclusion Criteria	Papers Left
Selection based on a search string	Only English papers Only published papers Onwards to 2000	375
Selection based on titles	No tutorials and chapters No duplicates	295
Selection based on titles	Title contains the search string fully or part of it	123
Selection based on abstracts	Focus on global software development Requirements change management processes Problems/challenges of global software development	54
Study selection based on full text focus	Findings based on some empirical data or case study analysis Challenges of RE or RCM in global software development Requirements change management techniques in global software development	45