Nurhajati, D. “Non-Verbal Languages, Important Aspects Neglected By English Teachers in Teaching Speaking”. Prosiding SEMDIKJAR (Seminar Nasional Pendidikan Dan Pembelajaran), Vol. 3, Oct. 2019, pp. 128-34, http://ojs.semdikjar.fkip.unpkediri.ac.id/index.php/SEMDIKJAR/article/view/13.