MARÍA MARTÍNEZ-ATIENZA DE DIOS2026-01-292026-01-29202310.5209/clac.900742-s2.0-85174166711https://www.scopus.com/inward/record.uri?eid=2-s2.https://ucocris.uco.es/handle/123456789/37007Language and LinguisticsLinguistics and Language[en] The verbal system in the grammars and manuals of Spanish as a foreign language. Fundamentals and corpus of research; [El sistema verbal en las gramáticas y manuales de español como lengua extranjera. Fundamentos y corpus de la investigación]research article