Laying the Groundwork for a CEFR-Referenced English Proficiency Test with Vocational Nuance at Politeknik Negeri Jember. IJOSSH [Internet]. 30 November 2025 [dikutip 8 November 2026];2(2):251-6. Tersedia pada: https://publikasi.polije.ac.id/ijossh/article/view/6686