Sadjail, Nurul-in Rasad. “Verbal Fillers in Oral Language Production of Grade 12 Students”. International Journal of Research in Engineering, Science and Management 4, no. 9 (September 26, 2021): 136–145. Accessed July 22, 2024. https://journal.ijresm.com/index.php/ijresm/article/view/1355.