Dewi, Ni Putu Riska, et al. “The Implementation of Presentation, Practice, and Production (PPP) in Enhancing Students’ Writing Ability”. International Journal of Applied Science and Sustainable Development (IJASSD), vol. 5, no. 1, Mar. 2023, pp. 7-14, https://e-journal.unmas.ac.id/index.php/IJASSD/article/view/6933.