An Analysis of Students’ Speaking Ability in Role Playing Dialogues of Guests Handling at Vocational High School Khairani, Ulva FBS UNP Rusdi, Rusdi Syafei, An Fauzia Rozani Jufri, Jufri thesis https://repository.unp.ac.id/id/eprint/43512/ https://repository.unp.ac.id/id/eprint/43512/1/final_B1_03_ULVA_KHAIRANI_1200963_1637_2017.pdf open access 2017-02 speaking ability role playing dialogues of guests handling grammatical features lexical features