1. ICH Q2(R1) 2005 Validation of analytical procedures: Text and methodology
2. ICH Q8(R2) 2009 Pharmaceutical development
3. The application of quality by design to analytical methods;Borman;Pharmaceutical Technology,2007
4. USP <1226> 2016 Verification of compendial procedures
5. ICH Q10 2008 Pharmaceutical quality systems