2026-01-292026-01-29201510.12802/relime.13.18122-s2.0-84936760518https://www.scopus.com/inward/record.uri?eid=2-s2.https://ucocris.uco.es/handle/123456789/26224EducationDidactic principles in Spanish mathematics textbooks in the 18th and 19th centuries; [Principios didácticos en textos Españoles de matemáticas en los siglos XVIII y XIX]research article