Portilla Lomas WS. Interactive playful strategies and their impact with speaking development among eighth-grade students at Tufiño High School. Arandu [Internet]. 6 de agosto de 2026 [citado 11 de agosto de 2026];13(3):340-56. Disponible en: https://revista.utic.edu.py/revista.ojs/index.php/revistas/article/view/2397