Belinda, Rachma Vivien, Patuan Raja, and Flora. “Modifying PPP in Promoting Communicative Language Teaching to Improve the Students’ English Communicative Competence”. International Journal for Innovation Education and Research 9, no. 8 (August 1, 2021): 351–365. Accessed May 5, 2024. https://scholarsjournal.net/index.php/ijier/article/view/3304.