admin admin, Wardhono A. AN ANALYSIS ON POLITENESS IN SMS OF THE STUDENTS TO THE LECTURERS OF ENGLISH DEPARTMENT UNIROW TUBAN. DIDAK TIKA [Internet]. 2017 Oct. 31 [cited 2025 May 22];19(2):71-80. Available from: https://journal.umg.ac.id/index.php/didaktika/article/view/45