I. K. Sudiatmika, P. Nitiasih, and I. W. Suarnajaya, “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”, IJLL, vol. 1, no. 3, pp. 175–183, Nov. 2017.