Ratna Rintaningrum, Carol Aldous, John P Keeves. The Influence of Student Background Characteristics on Proficiency in English as a foreign language: Indonesian Context. JSH [Internet]. 7 Maret 2025 [dikutip 2 Mei 2026];10(2):112-28. Tersedia pada: https://journal.its.ac.id/index.php/jsh/article/view/2864