Sudiatmika, I.K., Nitiasih, P. and Suarnajaya, I.W. 2017. A CASE STUDY ON THE STUDENTS AND TEACHERS’ PERCEPTIONS ON THE USE OF ENGLISH AS A MEDIUM OF INSTRUCTION AND TEACHERS PROFESSIONAL COMPETENCIES AT SMP NEGERI 1 DENPASAR. International Journal of Language and Literature. 1, 3 (Nov. 2017), 175–183. DOI:https://doi.org/10.23887/ijll.v1i3.12549.