Compare two articles explain how they are simialar and different

Comparison of primary and secondary articles
Primary and secondary articles differ in various ways. Organizations of materials in primary literatures are more detailed and they all follow a precise format: Introduction, methods and/or materials, results and conclusion plus abstract and conclusion. Secondary articles however don't have a precise layout. The primary articles are prepared by the scientist who did the original research and the details given are very precise, but secondary articles discuss a topic in a broad format, in which the data have been collected from various sources…