Interestingly Wikipedia itself promotes the use of secondary sources, discouraging over-reliance on primary and tertiary sources. https://en.wikipedia.org/wiki/

Interestingly Wikipedia itself promotes the use of secondary sources, discouraging over-reliance on primary and tertiary sources. https://en.wikipedia.org/wiki/Wikipedia:Identifying_primary_and_secondary_sources_for_biology_articles https://en.wikipedia.org/wiki/Wikipedia:Identifying_primary_...