<https://www.cambridge.org/education/subject/mathematics?format=&isbn=9781316644409>
<http://schema.org/isbn>
<https://www.cambridge.org/cd/education/subject/mathematics/a-level-further-mathematics-ocr-a/a-level-further-mathematics-ocr-a-statistics-student-book-as-a-level?format=PB&isbn=9781316644409>