Fatikhah, Nur, et al. “Tindak Tutur Asertif Dalam Drama Series Imperfect The Series Season 2 Episode 1”. Sajak: Jurnal Penelitian Dan Pengabdian Sastra, Bahasa, Dan Pendidikan, vol. 2, no. 3, Oct. 2023, pp. 253-6, https://journal.uir.ac.id/index.php/sajak/article/view/13388.