Lestari, Denok, 		Suastra, I Made, 		Pastika, I Wayan, AND 		Sedeng, I Nyoman.
" Developing A Method of Learning English Speaking Skills Based on the Language Functions Used in the Food and Beverage Service" <em>e-Journal of Linguistics</em> [Online], Volume 11 Number 1 (31 January 2017)