Valbuena Canet, Cecilia. “Active Teaching and Work. The Salvatella Publishing House and Pedagogical Renewal through the Journal Avante. Spain, 1931-1960”. Historia y Memoria de la Educación, no. 18 (June 26, 2023): 447–482. Accessed December 5, 2025. https://revistas.uned.es/index.php/HMe/article/view/36511.