Transracial foster care: Should ethnicity play a role in matching a child in a long term foster placement?

This is an idea for the literature review detail:
introduction and Context:
Background to Stufy
Looked after Children
Statutory Frameworks for fostering
Ethnic matching in foster care
Literature Review (conclusions of literature)
Transracial foster care
Factors related to the child
Factors related to the foster carer
Child\’s view of transracial foster care
Attachment theory

Im not sure how many sources exactly but I think between 20-25