MIRANDA YNGA, Diana Milagro. A PBL APPLICATION EXPERIENCE IN THE PREPARATION OF ARGUMENTATIVE TEXTS OF STUDENTS AT THE NATIONAL UNIVERSITY IN TUMBES. Revista Digital de Investigación en Docencia Universitaria, [S. l.], v. 5, n. 1, p. 1–29, 2011. DOI: 10.19083/ridu.5.3. Disponível em: https://revistas.upc.edu.pe/index.php/docencia/article/view/3. Acesso em: 15 may. 2026.