The student includes four supporting documents that provide relevant and in-depth information regarding Nissan's strategies in the U.S. market. However, one document is outdated, exceeding the three-year limit, and should be replaced with a more recent source. The student has not clearly labeled each document or highlighted the relevant sections related to their IA, which affects the organization and clarity of the analysis. Additionally, translations for any non-English content are not provided. Despite these issues, the student has effectively assessed the validity and reliability of the sources, demonstrating a critical approach to the information presented.