Wismarini, Putu Wahyu. " Perlocution Meaning of Teacher’s Speech Acts During English Learning Processes in Vi Grade at Institute Course Hallo English Course in Denpasar." Linguistika: Buletin Ilmiah Program Magister Linguistik Universitas Udayana [Online], 28.1 (2021): 01-12. Web. 31 Jan. 2025