Split literature review into 4 themes:
Definition of partnership working (4 different authors)
Barriers to effective partnership (4 different authors)
Benefits of partnership working (4 different authors)
How to improve partnership working (4 different authors)

In final paragraph summarize your conclusion. In addition, your opening paragraph is very generic and not backed up by academic body. From research we know partnership working is essential for achieving childrens  best learning and developmental outcomes. This needs to be your focus from the start. How to develop effective partnership, what are the barriers and how to improve them will be discussed in your subsequent paragraphs