Landua, G., & Roland, E. (2013). Regenerative Enterprise: Optimizing for Multi-Capital Abundance. Appleseed Permaculture.
The origin of the Eight Forms of Capital ontology (social, material, financial, living, intellectual, experiential, spiritual, and cultural). The framework expanded the accounting frame beyond money and is the intellectual precursor to Landua’s subsequent work on Regen Network, which extends the ontology into verifiable ecological accounting infrastructure and on-chain measurement and verification systems.