skills/mcda-suitability-analysis/references/authoritative-sources.md

# Authoritative sources

- Last verified: 2026-07-19
- Review cadence: every 12 months
- Refresh triggers: weighting method change, decision-policy change, or implementation dependency release

## Canonical sources

- [Saaty, The Analytic Hierarchy Process](https://doi.org/10.1016/0270-0255(87)90473-8) — primary AHP scale and consistency foundation.
- [JRC sensitivity analysis resources](https://joint-research-centre.ec.europa.eu/sensitivity-analysis-samo_en) — European Commission guidance and tools for sensitivity analysis.
- [NumPy linear algebra documentation](https://numpy.org/doc/stable/reference/routines.linalg.html) — implementation behavior for the bundled weight calculator.

Document stakeholder provenance and the exact pairwise matrix. A mathematically consistent matrix does not make criteria, preferences, or policy assumptions objective.