Ramírez Hernández, Marcela, and Marcela Otárola Guevara. “Interview With Dra. Úrsula Hauser”. Revista de Historia., no. 80 (July 19, 2019): 173–186. Accessed February 15, 2025. https://www.revistas.una.ac.cr/index.php/historia/article/view/13118.