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Last updated 8 November 2026

By using raphaelcosta.com you agree to these terms.

Content

Articles, papers, photographs and other material on this site are © Raphael Garcia da Costa unless stated otherwise. You may quote short extracts with attribution and a link. Please ask before republishing anything in full.

The Ledger Method is a framework created by Raphael Garcia da Costa. Company names, products and logos belong to their respective owners and are shown with permission to describe work delivered for or with them.

No professional advice

Content is provided for information. It is not engineering, legal, medical or investment advice for your specific situation.

Links

This site links to external websites, such as publishers and patent registries. Those sites have their own terms and privacy policies.

Liability

The site is provided as is. To the extent permitted by law, no liability is accepted for loss arising from its use.

Governing law

These terms are governed by the laws of the Republic of South Africa.

Contact

me@raphaelcosta.com