Urgell, Blanca. “Foruak Eta Erlijioa Euskararen Gramatizazioan”. In Historiografia Gramatical: Norma E Ideologia, Vanessa Anachoreta, Sónia Duarte, and Rogelio Ponce de León, 9–58. Faculty of Arts and Humanities of the University of Porto, 2025. Accessed October 1, 2026. https://ojstest.xyz/ebooksflup/index.php/eflupteste/catalog/book/16/chapter/184.