Budiyanto, Darmawan. “USING PPP (PRESENTATION, PRACTICE AND PRODUCTION) STRATEGY ON SPEAKING ACHIEVEMENT: STRATEGY ON SPEAKING ACHIEVEMENT”. Journal Of Language Education and Development (JLed) 1, no. 2 (July 25, 2019): 81–91. Accessed July 3, 2024. https://ejournal.ummuba.ac.id/index.php/pbi/article/view/133.